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Native Plant Trust: Go Botany Discover thousands of New England plants

Species List

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Scientific Name Common Name Family New England Distribution N. American Native Wetland Code Group Subgroup
Abelmoschus esculentus okra Malvaceae CT NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Abies balsamea balsam fir Pinaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Needle-leaved woody plants
Abies concolor white fir Pinaceae MA ME VT Yes Woody Plants Needle-leaved woody plants
Abies homolepis Nikko fir Pinaceae RI No Woody Plants Needle-leaved woody plants
Abutilon pictum painted Indian-mallow Malvaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Abutilon theophrasti velvetleaf Indian-mallow Malvaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Acalypha gracilens slender three-seeded-Mercury Euphorbiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Acalypha rhomboidea common three-seeded-Mercury Euphorbiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Acalypha virginica Virginia three-seeded-Mercury Euphorbiaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Acanthospermum australe Paraguay starburr Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Acer campestre hedge maple Sapindaceae MA VT No Woody Plants Broad-leaved woody plants
Acer ginnala Amur maple Sapindaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Acer negundo ash-leaved maple, boxelder Sapindaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Acer nigrum black maple Sapindaceae CT MA NH VT Yes Woody Plants Broad-leaved woody plants
Acer palmatum Japanese maple Sapindaceae CT MA No Woody Plants Broad-leaved woody plants
Acer pensylvanicum goosefoot maple, striped maple Sapindaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Acer platanoides Norway maple Sapindaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Acer pseudoplatanus sycamore maple Sapindaceae CT MA ME RI No Woody Plants Broad-leaved woody plants
Acer rubrum red maple Sapindaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Acer saccharinum silver maple Sapindaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Acer saccharum sugar maple Sapindaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Acer spicatum mountain maple Sapindaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Acer tataricum Tatarian maple Sapindaceae MA No Woody Plants Broad-leaved woody plants
Achillea filipendulina fern-leaved yarrow Asteraceae VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Achillea ligustica Ligurian yarrow Asteraceae VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Achillea millefolium common yarrow Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Achillea ptarmica pearl yarrow Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Achillea tomentosa woolly yarrow Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Aconitum napellus garden monkshood Ranunculaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aconitum uncinatum wild monkshood Ranunculaceae NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Acorus americanus several-veined sweetflag Acoraceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Acorus calamus single-veined sweetflag Acoraceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Actaea pachypoda doll's-eyes, white baneberry Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Actaea racemosa black bugbane Ranunculaceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Actaea rubra red baneberry Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Actinidia arguta taravine Actinidiaceae CT MA ME No Woody Plants Broad-leaved woody plants
Adiantum aleuticum western maidenhair fern Pteridaceae ME VT Yes Ferns True ferns and moonworts
Adiantum pedatum northern maidenhair fern Pteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Adiantum viridimontanum Green Mountain maidenhair fern Pteridaceae ME VT Yes Ferns True ferns and moonworts
Adlumia fungosa Allegheny-vine Papaveraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aegilops cylindrica jointed goat-grass Poaceae MA No Grass-like plants True grasses
Aegopodium podagraria bishop's goutweed Apiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aesculus glabra Ohio buckeye Sapindaceae NH Yes Woody Plants Broad-leaved woody plants
Aesculus hippocastanum horse-chestnut Sapindaceae CT MA ME RI VT No Woody Plants Broad-leaved woody plants
Aethusa cynapium fool's-parsley Apiaceae CT MA ME RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Agalinis acuta sandplain agalinis Orobanchaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agalinis maritima saltmarsh agalinis Orobanchaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agalinis neoscotica Nova Scotia agalinis Orobanchaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agalinis paupercula small-flowered agalinis Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agalinis purpurea purple agalinis Orobanchaceae CT MA ME RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agalinis tenuifolia slender-leaved agalinis Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agastache foeniculum lavender giant-hyssop Lamiaceae CT NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agastache nepetoides catnip giant-hyssop Lamiaceae CT VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agastache scrophulariifolia purple giant-hyssop Lamiaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Ageratina altissima white snakeroot Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ageratina aromatica lesser snakeroot Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ageratum conyzoides tropical whiteweed Asteraceae CT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ageratum houstonianum Houston's whiteweed Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Agrimonia eupatoria medicinal agrimony Rosaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Agrimonia gryposepala common agrimony, tall hairy agrimony Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Agrimonia microcarpa low agrimony Rosaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Agrimonia parviflora southern agrimony Rosaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Agrimonia pubescens downy agrimony Rosaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Agrimonia rostellata woodland agrimony Rosaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Agrimonia striata roadside agrimony Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Agropyron cristatum crested wheat grass Poaceae MA NH No Grass-like plants True grasses
Agropyron desertorum clustered wheat grass Poaceae MA No Grass-like plants True grasses
Agrostemma githago common corncockle Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Agrostis canina dog bentgrass Poaceae CT MA ME NH RI No Grass-like plants True grasses
Agrostis capillaris colonial bentgrass, Rhode Island bentgrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Agrostis elliottiana Elliott's bentgrass Poaceae MA ME Yes and no (some introduced) Grass-like plants True grasses
Agrostis exarata spike bentgrass Poaceae VT Yes and no (some introduced) Grass-like plants True grasses
Agrostis gigantea redtop bentgrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Agrostis hyemalis winter bentgrass Poaceae CT MA ME NH RI Yes Grass-like plants True grasses
Agrostis mertensii northern bentgrass Poaceae ME NH VT Yes Grass-like plants True grasses
Agrostis perennans autumn bentgrass Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Agrostis scabra rough bentgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Agrostis stolonifera creeping bentgrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Ailanthus altissima tree-of-heaven Simaroubaceae CT MA NH RI VT No Woody Plants Broad-leaved woody plants
Aira caryophyllea common silver-hairgrass Poaceae CT MA NH VT No Grass-like plants True grasses
Aira praecox early silver-hairgrass Poaceae CT MA No Grass-like plants True grasses
Aizopsis aizoon aizoon stonecrop Crassulaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aizopsis kamtschatica orange stonecrop Crassulaceae ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ajuga genevensis standing bugle Lamiaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Ajuga reptans carpet bugle Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Akebia quinata chocolate-vine Lardizabalaceae CT MA No Woody Plants Broad-leaved woody plants
Albizia julibrissin silk-tree Fabaceae CT MA RI No Woody Plants Broad-leaved woody plants
Alcea rosea hollyhock Malvaceae CT MA NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Alchemilla monticola hairy lady's-mantle Rosaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aletris farinosa white colic-root Nartheciaceae CT MA ME NH RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Alisma gramineum narrow-leaved water-plantain Alismataceae VT Yes Aquatic plants Water plants with leaves and stems
Alisma subcordatum southern water-plantain Alismataceae CT MA ME NH RI VT Yes Orchids and related plants; Aquatic plants Irises, lilies, and other "monocots"; Water plants with leaves and stems
Alisma triviale northern water-plantain Alismataceae CT MA ME NH RI VT Yes Aquatic plants; Orchids and related plants Water plants with leaves and stems; Irises, lilies, and other "monocots"
Alliaria petiolata garlic-mustard Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Allium canadense meadow garlic Alliaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Allium cepa garden onion Alliaceae CT MA ME NH VT No Orchids and related plants Irises, lilies, and other "monocots"
Allium oleraceum field garlic Alliaceae MA No Orchids and related plants Irises, lilies, and other "monocots"
Allium sativum cultivated garlic Alliaceae MA VT No Orchids and related plants Irises, lilies, and other "monocots"
Allium schoenoprasum wild chives Alliaceae CT MA ME NH RI VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Allium tricoccum ramps, wild leek Alliaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Allium vineale crow garlic Alliaceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Alnus glutinosa European alder Betulaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Alnus incana speckled alder Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Alnus serrulata smooth alder Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Alnus viridis green alder Betulaceae MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Alopecurus aequalis short-awned meadow-foxtail Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Alopecurus carolinianus Carolina meadow-foxtail Poaceae MA Yes and no (some introduced) Grass-like plants True grasses
Alopecurus geniculatus marsh meadow-foxtail Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Alopecurus myosuroides slender meadow-foxtail Poaceae MA ME No Grass-like plants True grasses
Alopecurus pratensis field meadow-foxtail Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Alternanthera pungens khaki joyweed Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Althaea officinalis common marsh-mallow Malvaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Alyssum alyssoides pale alyssum Brassicaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus albus tumbleweed amaranth Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus blitoides prostrate amaranth Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus blitum livid amaranth Amaranthaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus cannabinus saltmarsh water-hemp Amaranthaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus caudatus purple amaranth Amaranthaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus cruentus blood amaranth Amaranthaceae CT MA NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus deflexus large-fruited amaranth Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus dubius spleen amaranth Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus hybridus green amaranth Amaranthaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus hypochondriacus prince's-feather amaranth Amaranthaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus macrocarpus dwarf amaranth Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus palmeri Palmer's amaranth Amaranthaceae MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus powellii Powell's amaranth Amaranthaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus pumilus sea-side amaranth Amaranthaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus retroflexus red-rooted amaranth Amaranthaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus spinosus spiny amaranth Amaranthaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus tuberculatus rough-fruited water-hemp Amaranthaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amaranthus viridis slender amaranth Amaranthaceae MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amberboa moschata sweet sultan Asteraceae ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ambrosia artemisiifolia common ragweed Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ambrosia bidentata lance-leaved ragweed Asteraceae CT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ambrosia psilostachya perennial ragweed Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ambrosia trifida giant ragweed Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Amelanchier arborea downy servicberry, downy shadbush Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Amelanchier bartramiana Bartram's serviceberry, mountain shadbush Rosaceae MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Amelanchier canadensis Canada serviceberry, eastern shadbush Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Amelanchier gaspensis Gaspe serviceberry, Gaspe shadbush Rosaceae ME Yes Woody Plants Broad-leaved woody plants
Amelanchier humilis low serviceberry, low shadbush Rosaceae VT Yes Woody Plants Broad-leaved woody plants
Amelanchier intermedia intermediate serviceberry, intermediate shadbush Rosaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Amelanchier laevis smooth serviceberry, smooth shadbush Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Amelanchier nantucketensis Nantucket serviceberry, Nantucket shadbush Rosaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Amelanchier sanguinea round-leaved serviceberry, round-leaved shadbush Rosaceae MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Amelanchier spicata dwarf serviceberry, dwarf shadbush Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Amerorchis rotundifolia round-leaved orchid Orchidaceae ME NH VT Yes Orchids and related plants Orchids
Ammophila breviligulata American beach grass Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Amorpha fruticosa false indigo-bush Fabaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Ampelopsis cordata heart-leaved peppervine Vitaceae CT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Ampelopsis glandulosa Amur peppervine Vitaceae CT MA NH RI No Woody Plants Broad-leaved woody plants
Amphicarpaea bracteata American hog-peanut Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amphicarpum amphicarpon Pursh's blue maidencane Poaceae MA Yes Grass-like plants True grasses
Amsinckia eastwoodiae Eastwood's fiddleneck Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amsinckia lycopsoides bugloss fiddleneck Boraginaceae CT MA NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amsinckia menziesii rancher's fiddleneck Boraginaceae CT MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Amsonia tabernaemontana eastern bluestar Apocynaceae MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Anaphalis margaritacea pearly everlasting Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Anchusa arvensis small bugloss Boraginaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Anchusa azurea Italian bugloss Boraginaceae CT MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Anchusa officinalis common bugloss Boraginaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Andromeda polifolia bog-rosemary Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Andropogon gerardii big bluestem Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Andropogon glomeratus bushy bluestem Poaceae MA RI Yes Grass-like plants True grasses
Andropogon virginicus broomsedge bluestem Poaceae CT MA RI Yes and no (some introduced) Grass-like plants True grasses
Androsace occidentalis western androsace Primulaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone acutiloba sharp-lobed hepatica Ranunculaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone americana blunt-lobed hepatica Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone blanda Greek windflower Ranunculaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone canadensis Canada windflower, Canadian anemone Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone cylindrica long-headed windflower Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone multifida cut-leaved windflower Ranunculaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone nemorosa European windflower Ranunculaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone quinquefolia wood anemone, wood windflower Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anemone virginiana tall anemone, tall windflower Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Anethum graveolens dill Apiaceae CT MA ME RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Angelica atropurpurea purple-stemmed Angelica Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Angelica lucida sea coast Angelica Apiaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Angelica venenosa hairy Angelica Apiaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Anoda cristata crested anoda Malvaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Antennaria howellii small pussytoes Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Antennaria neglecta field pussytoes Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Antennaria parlinii Parlin's pussytoes Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Antennaria plantaginifolia plantain-leaved pussytoes Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Anthemis arvensis corn chamomile Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Anthemis cotula stinking chamomile Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Anthoxanthum hirtum northern sweet grass Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Anthoxanthum monticola alpine sweet grass Poaceae ME NH VT Yes Grass-like plants True grasses
Anthoxanthum nitens sweetgrass, vanilla sweet grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Anthoxanthum odoratum large sweet grass, sweet vernalgrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Anthoxanthum ovatum small sweet grass Poaceae CT MA ME NH No Grass-like plants True grasses
Anthriscus cerefolium garden chervil Apiaceae CT VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Anthriscus sylvestris wild chervil Apiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Anthyllis vulneraria common kidney-vetch Fabaceae CT NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Anticlea elegans mountain death camas Melanthiaceae VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Antirrhinum majus garden snapdragon Plantaginaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Apera interrupta dense silky bentgrass Poaceae MA ME No Grass-like plants True grasses
Apera spica-venti loose silky bentgrass Poaceae CT MA ME VT No Grass-like plants True grasses
Apios americana common ground-nut Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Apium graveolens celery Apiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aplectrum hyemale putty-root Orchidaceae CT MA VT Yes Orchids and related plants Orchids
Apocynum androsaemifolium spreading dogbane Apocynaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Apocynum cannabinum hemp dogbane Apocynaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Aquilegia canadensis red columbine Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aquilegia vulgaris European columbine Ranunculaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Arabidopsis lyrata lyre-leaved thale-cress Brassicaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Arabidopsis thaliana mouse-ear thale-cress Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Arabis procurrens running eared-rockcress Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Arabis pycnocarpa hairy eared-rockcress Brassicaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Arachis hypogaea peanut Fabaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Aralia elata Japanese angelica-tree Apiaceae CT MA ME NH No Woody Plants Broad-leaved woody plants
Aralia hispida bristly sarsaparilla Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aralia nudicaulis wild sarsaparilla Apiaceae CT MA ME NH RI VT Yes Woody Plants; All other flowering non-woody plants Broad-leaved woody plants; Other herbaceous, flowering plants with alternate leaves
Aralia racemosa American spikenard Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aralia spinosa Hercules'-club Apiaceae CT MA ME RI Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Arceuthobium pusillum dwarf mistletoe Viscaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Arctanthemum arcticum arctic-daisy Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Arctium lappa great burdock Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Arctium minus common burdock Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Arctium tomentosum woolly burdock Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Arctostaphylos uva-ursi kinnikinnick, red bearberry Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Arctotis stoechadifolia African-daisy Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Arctous alpina alpine-bearberry Ericaceae ME NH Yes Woody Plants Broad-leaved woody plants
Arenaria serpyllifolia thyme-leaved sandwort Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Arethusa bulbosa dragon's-mouth Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Argemone albiflora white prickly-poppy Papaveraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Argemone mexicana Mexican prickly-poppy Papaveraceae CT MA VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Argentina anserina common silverweed Rosaceae MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Argentina egedii Pacific silverweed Rosaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Arisaema dracontium green-dragon Araceae CT MA NH VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Arisaema triphyllum Jack-in-the-pulpit Araceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Aristida basiramea fork-tipped threeawn Poaceae MA ME NH VT Yes and no (some introduced) Grass-like plants True grasses
Aristida dichotoma churchmouse threeawn Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Aristida longespica red threeawn Poaceae CT MA NH RI VT Yes Grass-like plants True grasses
Aristida oligantha oldfield threeawn Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Aristida purpurascens arrow-feather threeawn Poaceae CT MA RI Yes Grass-like plants True grasses
Aristida purpurea purple threeawn Poaceae VT Yes Grass-like plants True grasses
Aristida tuberculosa seaside threeawn Poaceae CT MA NH Yes Grass-like plants True grasses
Aristolochia clematitis creeping birthwort Aristolochiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Armoracia rusticana horse-radish Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Arnica lanceolata lance-leaved arnica Asteraceae ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Arnoseris minima lamb-succory Asteraceae ME NH No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Aronia arbutifolia red chokeberry Rosaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Aronia floribunda purple chokeberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Aronia melanocarpa black chokeberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Arrhenatherum elatius tall oat grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Artemisia abrotanum southern wormwood Asteraceae CT MA ME VT No All other flowering non-woody plants; Woody Plants Daisies, goldenrods, and other Aster family plants; Broad-leaved woody plants
Artemisia absinthium oldman wormwood Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia annua annual wormwood, sweet sagewort Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia biennis biennial wormwood Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia campestris field wormwood Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia carruthii Carruth's wormwood Asteraceae RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia dracunculus dragon wormwood Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia frigida prairie wormwood Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia ludoviciana white wormwood Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia pontica Roman wormwood Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia stelleriana beach wormwood Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Artemisia tridentata big sagebrush Asteraceae MA Yes Woody Plants Broad-leaved woody plants
Artemisia vulgaris common wormwood Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Arthraxon hispidus small carp grass Poaceae CT MA NH No Grass-like plants True grasses
Aruncus dioicus goat's beard Rosaceae MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Asarum canadense Canada wild ginger Aristolochiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias amplexicaulis clasping milkweed Apocynaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias exaltata poke milkweed Apocynaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias incarnata swamp milkweed Apocynaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias purpurascens purple milkweed Apocynaceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias quadrifolia four-leaved milkweed Apocynaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias syriaca common milkweed Apocynaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias tuberosa butterfly milkweed Apocynaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias variegata red-ringed milkweed Apocynaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias verticillata whorled milkweed Apocynaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asclepias viridiflora green milkweed Apocynaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asparagus officinalis asparagus Asparagaceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Asperugo procumbens madwort Boraginaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asperula arvensis blue woodruff Rubiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Asplenium montanum mountain spleenwort Aspleniaceae CT MA RI VT Yes Ferns True ferns and moonworts
Asplenium platyneuron ebony spleenwort Aspleniaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Asplenium rhizophyllum walking fern, walking spleenwort Aspleniaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Asplenium ruta-muraria wall-rue spleenwort Aspleniaceae CT MA VT Yes Ferns True ferns and moonworts
Asplenium trichomanes maidenhair spleenwort Aspleniaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Asplenium viride green spleenwort Aspleniaceae ME VT Yes Ferns True ferns and moonworts
Aster tataricus Tatarian aster Asteraceae CT MA RI No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Astragalus alpinus alpine milk-vetch Fabaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Astragalus canadensis Canada milk-vetch Fabaceae CT VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Astragalus contortuplicatus Hungarian milk-vetch Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Astragalus eucosmus elegant milk-vetch Fabaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Astragalus glycyphyllos licorice milk-vetch Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Astragalus robbinsii Robbins' milk-vetch Fabaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Astrantia major greater masterwort Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Athyrium angustum northern lady fern Woodsiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Athyrium asplenioides southern lady fern Woodsiaceae CT MA RI Yes Ferns True ferns and moonworts
Athyrium nipponicum Japanese painted lady fern Woodsiaceae RI No Ferns True ferns and moonworts
Atocion armeria sweet-William-catchfly Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Atriplex acadiensis maritime orache Amaranthaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex cristata seabeach orache Amaranthaceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex glabriuscula bracted orache Amaranthaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex hortensis garden orache Amaranthaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex littoralis linear-leaved orache Amaranthaceae CT MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex patula spearscale orache Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex prostrata hastate-leaved orache Amaranthaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex rosea red orache Amaranthaceae MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex sibirica Siberian orache Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex subspicata saline orache Amaranthaceae CT MA ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Atriplex tatarica Tatarian orache Amaranthaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Aureolaria flava smooth false foxglove Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Aureolaria pedicularia fern-leaved false foxglove Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Aureolaria virginica downy false foxglove Orobanchaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Aurinia saxatilis rock goldentuft Brassicaceae CT MA NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Avena fatua wild oat Poaceae CT MA ME NH VT No Grass-like plants True grasses
Avena sativa oat Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Avena strigosa lopsided oat Poaceae MA No Grass-like plants True grasses
Avenula pubescens downy alpine oat grass Poaceae CT MA VT No Grass-like plants True grasses
Axyris amaranthoides Russian-pigweed Amaranthaceae MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Azolla caroliniana Carolina mosquito fern Azollaceae CT MA ME NH Yes and no (some introduced) Ferns; Aquatic plants True ferns and moonworts; Water plants with leaves and stems
Baccharis halimifolia eastern false willow Asteraceae CT MA RI Yes Woody Plants Broad-leaved woody plants
Ballota nigra black-horehound Lamiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Balsamita major costmary Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Baptisia australis blue wild indigo Fabaceae CT MA NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Baptisia bracteata long-bracted wild indigo Fabaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Baptisia tinctoria yellow wild indigo Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Barbarea orthoceras American yellow-rocket Brassicaceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Barbarea stricta upright yellow-rocket Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Barbarea verna early yellow-rocket Brassicaceae CT MA ME RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Barbarea vulgaris garden yellow-rocket Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bartonia iodandra purple screwstem Gentianaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bartonia paniculata twining screwstem Gentianaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bartonia virginica Virginia screwstem Gentianaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Bassia hirsuta hairy smotherweed Amaranthaceae CT MA NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bassia hyssopifolia five-horned smotherweed Amaranthaceae MA ME RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Beckmannia syzigachne American slough grass Poaceae CT ME VT Yes and no (some introduced) Grass-like plants True grasses
Bellis perennis lawn-daisy Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Benthamidia florida flowering big-bracted-dogwood Cornaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Benthamidia japonica kousa big-bracted-dogwood Cornaceae CT No Woody Plants Broad-leaved woody plants
Berberis aquifolium holly-leaved Oregon-grape Berberidaceae MA VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Berberis koreana Korea barberry Berberidaceae MA VT No Woody Plants Broad-leaved woody plants
Berberis thunbergii Japanese barberry Berberidaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Berberis vulgaris common barberry Berberidaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Berteroa incana hoary false alyssum Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Berteroa mutabilis roadside false alyssum Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Beta vulgaris beet Amaranthaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Betula alleghaniensis yellow birch Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Betula cordifolia heart-leaved paper birch Betulaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Betula glandulosa glandular birch Betulaceae ME NH Yes Woody Plants Broad-leaved woody plants
Betula lenta cherry birch Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Betula minor dwarf birch Betulaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Betula nigra river birch Betulaceae CT MA NH Yes Woody Plants Broad-leaved woody plants
Betula papyrifera paper birch Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Betula pendula European weeping birch Betulaceae CT MA VT No Woody Plants Broad-leaved woody plants
Betula populifolia gray birch Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Betula pubescens downy birch Betulaceae CT MA ME VT No Woody Plants Broad-leaved woody plants
Betula pumila bog birch, swamp birch Betulaceae CT MA ME NH Yes Woody Plants Broad-leaved woody plants
Bidens alba white beggar-ticks Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens aristosa midwestern beggar-ticks Asteraceae CT MA ME NH Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens beckii Beck's beggar-ticks, Beck's water-marigold Asteraceae CT MA ME NH RI VT Yes and no (some introduced) Aquatic plants; All other flowering non-woody plants Water plants with leaves and stems; Daisies, goldenrods, and other Aster family plants
Bidens bipinnata Spanish needles beggar-ticks Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens cernua nodding beggar-ticks Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens connata purple-stemmed beggar-ticks Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens discoidea small beggar-ticks Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens eatonii Eaton's beggar-ticks Asteraceae CT MA ME Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens frondosa Devil's beggar-ticks Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens hyperborea northern beggar-ticks Asteraceae MA ME NH Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens laevis smooth beggar-ticks Asteraceae CT MA NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens pilosa hairy beggar-ticks Asteraceae CT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens polylepis Ozark beggar-ticks Asteraceae MA RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens tenuisecta slim-lobed beggar-ticks Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens trichosperma crowned beggar-ticks Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens tripartita three-lobed beggar-ticks Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bidens vulgata tall beggar-ticks Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Bifora radians wild bishop Apiaceae RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bistorta officinalis meadow bistort Polygonaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bistorta vivipara alpine bistort Polygonaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Blephilia ciliata downy wood-mint Lamiaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Blephilia hirsuta hairy wood-mint Lamiaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Boechera canadensis sicklepod rockcress Brassicaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Boechera grahamii Graham's rockcress Brassicaceae VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Boechera laevigata smooth rockcress Brassicaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Boechera missouriensis green rockcress Brassicaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Boechera stricta Canada rockcress Brassicaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Boehmeria cylindrica small-spiked false nettle Urticaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Bolboschoenus fluviatilis river tuber-bulrush Cyperaceae Yes Grass-like plants All other grass-like plants
Bolboschoenus glaucus glaucous tuber-bulrush Cyperaceae No Grass-like plants All other grass-like plants
Bolboschoenus maritimus saltmarsh tuber-bulrush Cyperaceae Yes Grass-like plants All other grass-like plants
Bolboschoenus novae-angliae New England tuber-bulrush Cyperaceae CT MA ME RI Yes Grass-like plants All other grass-like plants
Bolboschoenus robustus sea-coast tuber-bulrush Cyperaceae CT MA ME NH RI Yes Grass-like plants All other grass-like plants
Boltonia asteroides white doll's-daisy Asteraceae CT MA ME RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Borago officinalis borage Boraginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Botrychium angustisegmentum narrow triangle moonwort Ophioglossaceae Yes Ferns True ferns and moonworts
Botrychium ascendens upswept moonwort Ophioglossaceae VT Yes Ferns True ferns and moonworts
Botrychium campestre prairie moonwort Ophioglossaceae VT Yes Ferns True ferns and moonworts
Botrychium dissectum dissected grapefern Ophioglossaceae Yes Ferns True ferns and moonworts
Botrychium lunaria common moonwort Ophioglossaceae ME VT Yes Ferns True ferns and moonworts
Botrychium matricariifolium daisy-leaved moonwort Ophioglossaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Botrychium minganense Mingan moonwort Ophioglossaceae ME VT Yes Ferns True ferns and moonworts
Botrychium multifidum leathery grapefern Ophioglossaceae Yes Ferns True ferns and moonworts
Botrychium oneidense blunt-lobed grapefern Ophioglossaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Botrychium pallidum pale moonwort Ophioglossaceae ME Yes Ferns True ferns and moonworts
Botrychium rugulosum St. Lawrence grapefern Ophioglossaceae CT VT Yes Ferns True ferns and moonworts
Botrychium simplex least moonwort Ophioglossaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Botrychium tenebrosum swamp moonwort Ophioglossaceae CT MA ME NH VT Yes Ferns True ferns and moonworts
Botrychium virginianum rattlesnake fern Ophioglossaceae Yes Ferns True ferns and moonworts
Bouteloua curtipendula sideoats grama Poaceae CT MA ME Yes and no (some introduced) Grass-like plants True grasses
Bouteloua gracilis blue grama Poaceae MA ME VT Yes and no (some introduced) Grass-like plants True grasses
Bouteloua repens slender grama Poaceae MA ME Yes and no (some introduced) Grass-like plants True grasses
Bouteloua rigidiseta Texas grama Poaceae MA Yes and no (some introduced) Grass-like plants True grasses
Bouteloua simplex mat grama Poaceae ME Yes and no (some introduced) Grass-like plants True grasses
Brachyelytrum aristosum northern long-awned wood grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Brachyelytrum erectum southern long-awned wood grass Poaceae CT MA NH RI VT Yes Grass-like plants True grasses
Brachypodium pinnatum heath false brome Poaceae MA No Grass-like plants True grasses
Brasenia schreberi water-shield Nymphaeaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Brassica juncea Chinese mustard Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Brassica napus turnip Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Brassica nigra black mustard Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Brassica oleracea cabbage Brassicaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Brassica rapa rape Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Braya humilis alpine northern-rockcress Brassicaceae VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Briza media perennial quaking grass Poaceae CT MA ME NH VT No Grass-like plants True grasses
Briza minor little quaking grass Poaceae CT No Grass-like plants True grasses
Bromus arvensis field brome Poaceae CT MA ME NH RI No Grass-like plants True grasses
Bromus briziformis rattlesnake brome Poaceae CT MA VT No Grass-like plants True grasses
Bromus ciliatus fringed brome Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Bromus commutatus meadow brome Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Bromus erectus upright brome Poaceae CT MA ME VT No Grass-like plants True grasses
Bromus hordeaceus soft brome Poaceae CT MA ME NH RI No Grass-like plants True grasses
Bromus inermis smooth brome Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Bromus japonicus Japanese brome Poaceae CT MA ME NH VT No Grass-like plants True grasses
Bromus kalmii Kalm's brome Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Bromus latiglumis flanged brome Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Bromus lepidus slender soft brome Poaceae MA No Grass-like plants True grasses
Bromus marginatus large mountain brome Poaceae CT MA ME NH Yes and no (some introduced) Grass-like plants True grasses
Bromus pubescens hairy wood brome Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Bromus racemosus bald brome Poaceae RI VT No Grass-like plants True grasses
Bromus rigidus ripgut brome Poaceae MA No Grass-like plants True grasses
Bromus rubens foxtail brome Poaceae MA No Grass-like plants True grasses
Bromus secalinus rye brome Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Bromus squarrosus corn brome Poaceae CT VT No Grass-like plants True grasses
Bromus sterilis poverty brome Poaceae CT MA RI No Grass-like plants True grasses
Bromus tectorum cheat brome, cheatgrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Broussonetia papyrifera paper-mulberry Moraceae CT MA RI No Woody Plants Broad-leaved woody plants
Browallia americana Jamaican-forget-me-not Solanaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Buddleja davidii orange-eye butterfly-bush Scrophulariaceae CT MA RI No Woody Plants Broad-leaved woody plants
Buglossoides arvensis corn-gromwell Boraginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bulbostylis capillaris tufted hair-sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Bunias orientalis Turkish warty-cabbage Brassicaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bupleurum lancifolium lance-leaved thorough-wax Apiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bupleurum odontites round-leaved thorough-wax Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Bupleurum rotundifolium narrow-leaved thorough-wax Apiaceae NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Butomus umbellatus flowering-rush Butomaceae CT MA ME VT No Aquatic plants; Orchids and related plants Water plants with leaves and stems; Irises, lilies, and other "monocots"
Cabomba caroliniana Carolina fanwort Nymphaeaceae CT MA NH RI Yes Aquatic plants Water plants with leaves and stems
Cakile edentula American sea-rocket Brassicaceae CT MA ME NH RI Yes and no (some introduced)
Calamagrostis canadensis bluejoint, Canada reed grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Calamagrostis cinnoides Nuttall's reed grass Poaceae CT MA ME NH RI Yes Grass-like plants True grasses
Calamagrostis epigejos feathertop reed grass Poaceae MA RI VT No Grass-like plants True grasses
Calamagrostis pickeringii Pickering's reed grass Poaceae MA ME NH VT Yes Grass-like plants True grasses
Calamagrostis stricta neglected reed grass Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Calandrinia ciliata fringed redmaids Portulacaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Calendula officinalis pot-marigold Asteraceae CT MA ME NH No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Calla palustris water arum, wild calla Araceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Callistephus chinensis Chinese-aster Asteraceae CT MA ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Callitriche hermaphroditica autumn water-starwort Plantaginaceae CT MA VT Yes Aquatic plants Water plants with leaves and stems
Callitriche heterophylla greater water-starwort Plantaginaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Callitriche palustris vernal water-starwort Plantaginaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Callitriche stagnalis pond water-starwort Plantaginaceae CT MA ME NH No Aquatic plants Water plants with leaves and stems
Callitriche terrestris terrestrial water-starwort Plantaginaceae CT MA ME Yes Aquatic plants Water plants with leaves and stems
Calluna vulgaris heather Ericaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Calopogon tuberosus tuberous grass-pink Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Calotis cuneifolia Australian wedgeleaf Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Caltha palustris marsh-marigold Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Calycanthus floridus eastern sweetshrub Calycanthaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Calypso bulbosa fairy-slipper Orchidaceae ME NH VT Yes Orchids and related plants Orchids
Calystegia pubescens hairy false bindweed Convolvulaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Calystegia sepium hedge false bindweed Convolvulaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Calystegia silvatica short-stalked false bindweed Convolvulaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Calystegia spithamaea upright false bindweed Convolvulaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Camelina microcarpa small-seeded false flax Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Camelina sativa large-seeded false flax Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Camissonia bistorta California suncup Onagraceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Camissonia campestris Mojave suncup Onagraceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula aparinoides marsh bellflower Campanulaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula carpatica tussock bellflower Campanulaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula divaricata southern bellflower Campanulaceae CT NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula glomerata clustered bellflower Campanulaceae MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula lanata woolly bellflower Campanulaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula latifolia giant bellflower Campanulaceae ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula patula spreading bellflower Campanulaceae CT MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula persicifolia peach-leaved bellflower Campanulaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula punctata spotted bellflower Campanulaceae CT NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula rapunculoides creeping bellflower Campanulaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula rotundifolia Scotch bellflower Campanulaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campanula trachelium nettle-leaved bellflower Campanulaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Campsis radicans trumpet-creeper Bignoniaceae CT MA NH Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Cannabis sativa hemp Cannabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Capnoides sempervirens pink-corydalis Papaveraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Capsella bursa-pastoris shepherd's-purse Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Caragana arborescens Siberian pea shrub Fabaceae MA ME VT No Woody Plants Broad-leaved woody plants
Cardamine bellidifolia alpine bitter-cress Brassicaceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine bulbosa bulbous bitter-cress Brassicaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine concatenata cut-leaved toothwort Brassicaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine dentata white cuckoo bitter-cress Brassicaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine diphylla two-leaved toothwort Brassicaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine douglassii pink bitter-cress Brassicaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine flexuosa wavy bitter-cress Brassicaceae CT MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine hirsuta hairy bitter-cress Brassicaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine impatiens narrow-leaved bitter-cress Brassicaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine incisa Eames' toothwort Brassicaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine longii Long's bitter-cress Brassicaceae CT MA ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine maxima large toothwort Brassicaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine parviflora small-flowered bitter-cress Brassicaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine pensylvanica Pennsylvania bitter-cress Brassicaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardamine pratensis pink cuckoo bitter-cress Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cardiospermum halicacabum balloon-vine Sapindaceae CT MA No Woody Plants Broad-leaved woody plants
Carduus acanthoides spiny plumeless-thistle Asteraceae CT MA ME RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Carduus crispus curly plumeless-thistle Asteraceae RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Carduus nutans nodding plumeless-thistle Asteraceae CT MA NH RI No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Carex abscondita thicket sedge Cyperaceae CT MA RI Yes Grass-like plants Sedges
Carex acutiformis lesser pond sedge Cyperaceae CT MA No Grass-like plants Sedges
Carex adusta swarthy sedge Cyperaceae ME NH Yes Grass-like plants Sedges
Carex aestivalis summer sedge Cyperaceae CT MA NH VT Yes Grass-like plants Sedges
Carex alata broad-winged sedge Cyperaceae CT MA NH RI Yes Grass-like plants Sedges
Carex albicans white-tinged sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex albolutescens green-white sedge Cyperaceae CT MA NH RI Yes Grass-like plants Sedges
Carex albursina white bear sedge Cyperaceae CT MA NH RI VT Yes Grass-like plants Sedges
Carex alopecoidea fox-tail sedge Cyperaceae CT MA ME VT Yes Grass-like plants Sedges
Carex amphibola eastern narrow-leaved sedge Cyperaceae CT MA Yes Grass-like plants Sedges
Carex annectens yellow-fruited sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex appalachica Appalachian sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex aquatilis water sedge Cyperaceae CT MA ME RI VT Yes Grass-like plants Sedges
Carex arcta northern cluster sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex arctata drooping woodland sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex arctogena capitate sedge Cyperaceae NH Yes Grass-like plants Sedges
Carex argyrantha silvery-flowered sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex atherodes wheat sedge Cyperaceae ME NH VT Yes and no (some introduced) Grass-like plants Sedges
Carex atlantica prickly bog sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex atratiformis scabrous black sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex aurea golden-fruited sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex backii Back's sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex baileyi Bailey's sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex barrattii Barratt's sedge Cyperaceae CT Yes Grass-like plants Sedges
Carex bebbii Bebb's sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex bicknellii Bicknell's sedge Cyperaceae CT MA ME RI VT Yes Grass-like plants Sedges
Carex bigelowii Bigelow's sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex billingsii Billings' sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex blanda eastern woodland sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex brevior short-beaked sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex bromoides brome-like sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex brunnea greater brown sedge Cyperaceae MA No Grass-like plants Sedges
Carex brunnescens brownish sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex bullata button sedge Cyperaceae CT MA ME NH RI Yes Grass-like plants Sedges
Carex bushii Bush's sedge Cyperaceae CT MA ME RI VT Yes Grass-like plants Sedges
Carex buxbaumii brown bog sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex canescens hoary sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex capillaris hair-like sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex caryophyllea vernal sedge Cyperaceae MA ME No Grass-like plants Sedges
Carex castanea chestnut sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex cephaloidea thin-leaved sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex cephalophora oval-headed sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex chordorrhiza rope-root sedge Cyperaceae MA ME NH VT Yes Grass-like plants Sedges
Carex collinsii Collins' sedge Cyperaceae CT RI Yes Grass-like plants Sedges
Carex communis fibrous-rooted sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex comosa bearded sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex conoidea open-field sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex crawei Crawe's sedge Cyperaceae CT ME Yes Grass-like plants Sedges
Carex crawfordii Crawford's sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex crinita fringed sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex cristatella crested sedge Cyperaceae CT MA NH RI VT Yes Grass-like plants Sedges
Carex cryptolepis northeastern sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex cumulata clustered sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex davisii Davis' sedge Cyperaceae CT MA VT Yes Grass-like plants Sedges
Carex debilis white-edged sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex deflexa northern sedge Cyperaceae MA ME NH VT Yes Grass-like plants Sedges
Carex deweyana round-fruited short-scaled sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex diandra lesser tussock sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex digitalis slender woodland sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex disperma soft-leaved sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex eburnea bristle-leaved sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex echinata star sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex echinodes prickly quill sedge Cyperaceae VT Yes Grass-like plants Sedges
Carex emoryi Emory's sedge Cyperaceae CT MA Yes Grass-like plants Sedges
Carex exilis coastal sedge, meager sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex festucacea fescue sedge Cyperaceae CT MA ME NH RI Yes Grass-like plants Sedges
Carex flacca glaucous sedge Cyperaceae CT VT No Grass-like plants Sedges
Carex flava yellow-green sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex foenea straw sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex folliculata northern long sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex formosa handsome sedge Cyperaceae CT MA VT Yes Grass-like plants Sedges
Carex garberi elk sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex glaucodea blue sedge Cyperaceae CT MA NH VT Yes Grass-like plants Sedges
Carex gracilescens slender loose-flowered sedge Cyperaceae CT MA VT Yes Grass-like plants Sedges
Carex gracillima graceful sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex granularis limestone-meadow sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex grayi Gray's sedge Cyperaceae CT MA VT Yes Grass-like plants Sedges
Carex grisea inflated narrow-leaved sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex gynandra nodding sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex gynocrates northern bog sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex haydenii Hayden's sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex hirsutella hirsute sedge Cyperaceae CT MA RI VT Yes Grass-like plants Sedges
Carex hirta hammer sedge Cyperaceae CT MA ME VT No Grass-like plants Sedges
Carex hirtifolia pubescent sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex hitchcockiana Hitchcock's sedge Cyperaceae CT MA NH VT Yes Grass-like plants Sedges
Carex hormathodes marsh straw sedge Cyperaceae CT MA ME NH RI Yes Grass-like plants Sedges
Carex houghtoniana Houghton's sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex hystericina porcupine sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex interior inland sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex intumescens greater bladder sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex kobomugi Japanese sedge Cyperaceae MA RI No Grass-like plants Sedges
Carex lacustris lakeside sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex laevivaginata smooth-sheathed sedge Cyperaceae CT MA RI VT Yes Grass-like plants Sedges
Carex lasiocarpa woolly-fruited sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex laxiculmis spreading sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex laxiflora broad loose-flowered sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex lenticularis lake shore sedge Cyperaceae MA ME NH VT Yes Grass-like plants Sedges
Carex leptalea bristly-stalk sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex leptonervia nerveless woodland sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex limosa mud sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex livida livid sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex longii Long's sedge Cyperaceae CT MA ME RI VT Yes and no (some introduced) Grass-like plants Sedges
Carex lucorum Blue Ridge sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex lupuliformis false hop sedge Cyperaceae CT MA VT Yes Grass-like plants Sedges
Carex lupulina hop sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex lurida sallow sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex mackenziei Mackenzie's sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex magellanica boreal bog sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex meadii Mead's sedge Cyperaceae RI Yes Grass-like plants Sedges
Carex media closed-headed sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex merritt-fernaldii Merritt Fernald's sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex mesochorea midland sedge Cyperaceae CT MA Yes Grass-like plants Sedges
Carex michauxiana Michaux's sedge Cyperaceae MA ME NH VT Yes Grass-like plants Sedges
Carex mitchelliana Mitchell's sedge Cyperaceae MA RI Yes Grass-like plants Sedges
Carex molesta troublesome sedge Cyperaceae CT MA NH VT Yes Grass-like plants Sedges
Carex muehlenbergii Muhlenberg's sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex nigra smooth black sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex nigromarginata black-edged sedge Cyperaceae CT Yes Grass-like plants Sedges
Carex normalis greater straw sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex novae-angliae New England sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex oklahomensis Oklahoma sedge Cyperaceae ME Yes and no (some introduced) Grass-like plants Sedges
Carex oligocarpa rich woods sedge Cyperaceae CT MA VT Yes Grass-like plants Sedges
Carex oligosperma few-seeded sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex ormostachya necklace spike sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex oronensis Orono sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex ovalis oval sedge Cyperaceae MA ME NH Yes and no (some introduced) Grass-like plants Sedges
Carex paleacea chaffy sedge Cyperaceae MA ME NH Yes Grass-like plants Sedges
Carex pallescens pale sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex panicea grass-like sedge Cyperaceae CT MA ME NH RI No Grass-like plants Sedges
Carex pauciflora few-flowered sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex peckii Peck's sedge Cyperaceae MA ME NH VT Yes Grass-like plants Sedges
Carex pedunculata long-stalked sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex pellita woolly sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex pensylvanica Pennsylvania sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex plantaginea plantain-leaved sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex platyphylla broad-leaved sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex polymorpha variable sedge Cyperaceae CT MA ME NH RI Yes Grass-like plants Sedges
Carex praegracilis clustered field sedge, freeway sedge Cyperaceae ME VT Yes Grass-like plants Sedges
Carex prairea prairie sedge Cyperaceae CT MA ME VT Yes Grass-like plants Sedges
Carex prasina drooping sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex praticola northern meadow sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex projecta necklace sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex pseudocyperus cypress-like sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex radiata eastern star sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex rariflora loose-flowered alpine sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex recta estuary sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex retroflexa reflexed sedge Cyperaceae CT MA NH RI Yes Grass-like plants Sedges
Carex retrorsa retrorse sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex reznicekii Reznicek's sedge Cyperaceae CT RI Yes Grass-like plants Sedges
Carex richardsonii Richardson's sedge Cyperaceae VT Yes Grass-like plants Sedges
Carex rosea rosy sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex rostrata beaked sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex saxatilis russet sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex scabrata eastern rough sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex schweinitzii Schweinitz's sedge Cyperaceae CT MA RI VT Yes Grass-like plants Sedges
Carex scirpoidea Canadian single-spike sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex scoparia pointed broom sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex seorsa weak stellate sedge Cyperaceae CT MA NH RI Yes Grass-like plants Sedges
Carex siccata dry land sedge Cyperaceae MA ME NH RI VT Yes Grass-like plants Sedges
Carex silicea sea-beach sedge Cyperaceae CT MA ME NH RI Yes Grass-like plants Sedges
Carex sparganioides bur-reed sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex spicata prickly sedge Cyperaceae CT MA ME NH RI VT No Grass-like plants Sedges
Carex sprengelii long-beaked sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex squarrosa squarrose sedge Cyperaceae CT MA Yes Grass-like plants Sedges
Carex sterilis dioecious sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex stipata awl-fruited sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex straminea eastern straw sedge Cyperaceae CT MA RI Yes Grass-like plants Sedges
Carex striata Walter's sedge Cyperaceae MA NH RI Yes Grass-like plants Sedges
Carex striatula lined sedge Cyperaceae CT Yes Grass-like plants Sedges
Carex stricta tussock sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex styloflexa bent sedge Cyperaceae CT RI Yes Grass-like plants Sedges
Carex swanii Swan's sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex sychnocephala many-headed sedge Cyperaceae ME Yes Grass-like plants Sedges
Carex tenera delicate quill sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex tenuiflora sparse-flowered sedge Cyperaceae ME NH VT Yes Grass-like plants Sedges
Carex tetanica rigid sedge Cyperaceae CT MA NH Yes Grass-like plants Sedges
Carex tincta tinged sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex tonsa shaved sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex torta twisted sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex tribuloides blunt broom sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex trichocarpa hairy-fruited sedge Cyperaceae CT MA NH VT Yes Grass-like plants Sedges
Carex trisperma three-seeded sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex tuckermanii Tuckerman's sedge Cyperaceae CT MA ME NH VT Yes Grass-like plants Sedges
Carex typhina cattail sedge Cyperaceae CT MA ME VT Yes Grass-like plants Sedges
Carex umbellata parasol sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex utriculata swollen-beaked sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex vacillans swinging sedge Cyperaceae MA ME Yes Grass-like plants Sedges
Carex vaginata sheathed sedge Cyperaceae ME VT Yes Grass-like plants Sedges
Carex vesicaria lesser bladder sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex vestita velvet sedge Cyperaceae CT MA ME NH RI Yes Grass-like plants Sedges
Carex virescens ribbed sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex viridula little green sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex vulpinoidea common fox sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants Sedges
Carex wiegandii Wiegand's sedge Cyperaceae MA ME NH VT Yes Grass-like plants Sedges
Carex willdenowii Willdenow's sedge Cyperaceae CT MA VT Yes Grass-like plants Sedges
Carpinus caroliniana American hornbeam Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Carthamus lanatus woolly safflower-thistle Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Carthamus tinctorius common safflower-thistle Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Carum carvi caraway Apiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Carya cordiformis bitternut hickory Juglandaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Carya glabra pignut hickory Juglandaceae CT MA NH RI VT Yes Woody Plants Broad-leaved woody plants
Carya laciniosa shellbark hickory Juglandaceae MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Carya ovata shagbark hickory Juglandaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Carya tomentosa mockernut hickory Juglandaceae Yes Woody Plants Broad-leaved woody plants
Castanea dentata American chestnut Fagaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Castanea mollissima Chinese chestnut Fagaceae CT MA RI No Woody Plants Broad-leaved woody plants
Castanea pumila dwarf chestnut Fagaceae MA Yes Woody Plants Broad-leaved woody plants
Castanea sativa Spanish chestnut Fagaceae MA No Woody Plants Broad-leaved woody plants
Castilleja coccinea scarlet painted-cup Orobanchaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Castilleja exserta purple painted-cup Orobanchaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Castilleja septentrionalis northern painted-cup Orobanchaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Catalpa bignonioides southern catalpa Bignoniaceae CT MA ME VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Catalpa ovata Chinese catalpa Bignoniaceae CT MA VT No Woody Plants Broad-leaved woody plants
Catalpa speciosa northern catalpa Bignoniaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Caulophyllum giganteum early blue cohosh Berberidaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Caulophyllum thalictroides blue cohosh Berberidaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ceanothus americanus New Jersey redroot, New Jersey tea Rhamnaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ceanothus herbaceus prairie redroot Rhamnaceae MA VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Celastrus orbiculatus Asian bittersweet, Asiatic bittersweet Celastraceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Celastrus scandens American bittersweet Celastraceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Celosia cristata crested cock's-comb Amaranthaceae CT MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Celtis occidentalis common hackberry Cannabaceae CT MA NH RI VT Yes Woody Plants Broad-leaved woody plants
Cenchrus longispinus long-spined sandbur Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Cenchrus spinifex coastal sandbur Poaceae MA ME NH VT Yes and no (some introduced) Grass-like plants True grasses
Centaurea benedicta blessed knapweed Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea calcitrapa purple knapweed Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea cyanus garden knapweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea diffusa white knapweed Asteraceae CT MA NH RI No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea jacea brown knapweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea melitensis Maltese knapweed Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea montana mountain knapweed Asteraceae ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea nigra black knapweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea nigrescens short-fringed knapweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea phrygia wig knapweed Asteraceae VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea scabiosa greater knapweed Asteraceae CT ME NH No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea solstitialis yellow knapweed Asteraceae CT MA NH RI No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurea stoebe spotted knapweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Centaurium erythraea European centaury Gentianaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Centaurium pulchellum branched centaury Gentianaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Centipeda minima spreading-sneezeweed Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cephalanthus occidentalis common buttonbush Rubiaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Cephalaria gigantea yellow giant-scabious Caprifoliaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium arvense field chickweed Caryophyllaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium diffusum four-stamened chickweed Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium fontanum mouse-ear chickweed Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium glomeratum sticky chickweed Caryophyllaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium nutans nodding chickweed Caryophyllaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium pumilum European chickweed Caryophyllaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium semidecandrum five-stamened chickweed Caryophyllaceae CT MA NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium strictum American field chickweed Caryophyllaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cerastium tomentosum tomentose chickweed Caryophyllaceae MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Ceratophyllum demersum common hornwort, coontail Ceratophyllaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Ceratophyllum echinatum spineless hornwort Ceratophyllaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Cercidiphyllum japonicum Katsura-tree Cercidiphyllaceae CT MA No Woody Plants Broad-leaved woody plants
Cercis canadensis redbud Fabaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Chaenactis glabriuscula yellow pincushion Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Chaenomeles japonica Japanese flowering-quince Rosaceae VT No Woody Plants Broad-leaved woody plants
Chaenomeles speciosa common flowering-quince Rosaceae CT MA No Woody Plants Broad-leaved woody plants
Chaenorhinum minus dwarf-snapdragon Plantaginaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chamaecrista fasciculata partridge sensitive-pea Fabaceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chamaecrista nictitans wild sensitive-pea Fabaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chamaecyparis thyoides Atlantic white cedar Cupressaceae CT MA ME NH RI Yes Woody Plants Needle-leaved woody plants
Chamaedaphne calyculata leatherleaf Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Chamaelirium luteum devil's bit Melanthiaceae CT MA Yes Orchids and related plants Irises, lilies, and other "monocots"
Chamaepericlymenum canadense bunchberry, Canada dwarf-dogwood Cornaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Chamerion angustifolium narrow-leaved fireweed Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cheilanthes lanosa hairy lip fern Pteridaceae CT Yes Ferns True ferns and moonworts
Chelidonium majus greater celandine Papaveraceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chelone glabra white turtlehead Plantaginaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Chelone lyonii pink turtlehead Plantaginaceae CT MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Chelone obliqua red turtlehead Plantaginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium album lambsquarters, white goosefoot Amaranthaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium berlandieri pit-seeded goosefoot Amaranthaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium bonus-henricus perennial goosefoot Amaranthaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium capitatum strawberry-blite Amaranthaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium foggii Fogg's goosefoot Amaranthaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium foliosum leafy goosefoot Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium glaucum oak-leaved goosefoot Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium leptophyllum narrow-leaved goosefoot Amaranthaceae ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium murale nettle-leaved goosefoot Amaranthaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium polyspermum many-seeded goosefoot Amaranthaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium pratericola desert goosefoot Amaranthaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium rubrum red goosefoot Amaranthaceae CT MA ME NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium simplex giant-seeded goosefoot Amaranthaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium standleyanum Standley's goosefoot Amaranthaceae CT MA VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium strictum oval-seeded goosefoot Amaranthaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chenopodium urbicum city goosefoot Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chimaphila maculata pipsissewa, spotted wintergreen Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Broad-leaved woody plants
Chimaphila umbellata noble prince's-pine, pipsissewa Ericaceae CT MA ME NH RI VT Yes Woody Plants; All other flowering non-woody plants Broad-leaved woody plants; Other herbaceous, flowering plants with opposite, whorled or no leaves
Chionanthus virginicus white fringe-tree Oleaceae MA RI Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Chionodoxa forbesii Forbes' glory-of-the-snow Hyacinthaceae VT No Orchids and related plants Irises, lilies, and other "monocots"
Chionodoxa luciliae Lucile's glory-of-the-snow Hyacinthaceae CT MA No Orchids and related plants Irises, lilies, and other "monocots"
Chloris cucullata hooded windmill-grass Poaceae ME Yes and no (some introduced) Grass-like plants True grasses
Chloris gayana Rhodes windmill-grass Poaceae MA No Grass-like plants True grasses
Chloris verticillata tumble windmill-grass Poaceae CT MA Yes and no (some introduced) Grass-like plants True grasses
Chloris virgata feather windmill-grass Poaceae MA ME No Grass-like plants True grasses
Chorispora tenella crossflower Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chorizanthe pungens Monterey spineflower Polygonaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Chrysanthemum morifolium florist's daisy Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Chrysopsis mariana Maryland golden-aster Asteraceae RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Chrysosplenium americanum golden-saxifrage Saxifragaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cicer arietinum chick-pea Fabaceae CT MA NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cichorium endivia cultivated endive Asteraceae CT ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cichorium intybus chicory Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cicuta bulbifera bulblet-bearing water-hemlock Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cicuta maculata spotted water-hemlock Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cinna arundinacea sweet wood-reed Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Cinna latifolia slender wood-reed Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Circaea alpina small enchanter's-nightshade Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Circaea canadensis broad-leaved enchanter's-nightshade Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cirsium altissimum tall thistle Asteraceae CT MA VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cirsium arvense creeping thistle Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cirsium discolor field thistle Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cirsium flodmanii Flodman's thistle Asteraceae VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cirsium horridulum yellow thistle Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cirsium muticum swamp thistle Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cirsium palustre marsh thistle Asteraceae MA NH No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cirsium pumilum pasture thistle Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cirsium vulgare common thistle Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Citrullus lanatus watermelon Cucurbitaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cladium mariscoides smooth saw-sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Cladrastis kentukea Kentucky yellow-wood Fabaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Clarkia pulchella elk horn clarkia Onagraceae CT MA VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Clarkia rhomboidea common clarkia Onagraceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Claytonia caroliniana Carolina spring-beauty Portulacaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Claytonia sibirica Siberian spring-beauty Portulacaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Claytonia virginica Virginia spring-beauty Portulacaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clematis florida Asian virgin's-bower Ranunculaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clematis occidentalis purple virgin's-bower Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clematis recta ground virgin's-bower Ranunculaceae NH No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clematis terniflora yam-leaved virgin's-bower Ranunculaceae CT MA NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clematis virginiana Virginia virgin's-bower Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clematis vitalba white virgin's-bower Ranunculaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clethra alnifolia coastal sweet-pepperbush Clethraceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Clinopodium acinos basil-thyme Lamiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clinopodium vulgare wild basil Lamiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Clintonia borealis yellow blue-bead lily Liliaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Coeloglossum viride long-bracted green orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Colchicum autumnale autumn-crocus Colchicaceae MA NH VT No Orchids and related plants Irises, lilies, and other "monocots"
Coleataenia longifolia long-leaved redtop-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Collinsia parviflora small-flowered blue-eyed Mary Plantaginaceae MA VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Collinsonia canadensis northern horsebalm Lamiaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Collomia linearis narrow-leaved mountain-trumpet Polemoniaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Colutea arborescens bladder-senna Fabaceae CT MA RI No Woody Plants Broad-leaved woody plants
Comandra umbellata bastard-toadflax Comandraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Comarum palustre marsh-cinquefoil, purple marsh-locks Rosaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Commelina communis Asiatic dayflower Commelinaceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Commelina diffusa climbing dayflower Commelinaceae VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Comptonia peregrina sweet-fern Myricaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Conioselinum chinense Chinese hemlock-parsley Apiaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Conium maculatum poison-hemlock Apiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Conopholis americana American bear-corn Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Conringia orientalis hare's-ear-mustard Brassicaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Consolida ajacis doubtful knight's-spur Ranunculaceae CT MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Consolida orientalis Oriental knight's-spur Ranunculaceae VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Consolida regalis royal knight's-spur Ranunculaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Convallaria majalis European lily-of-the-valley Ruscaceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Convolvulus arvensis field bindweed Convolvulaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Coptidium lapponicum Lapland-crowfoot Ranunculaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Coptis trifolia three-leaved goldthread Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Corallorhiza maculata spotted coral-root Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Corallorhiza odontorhiza fall coral-root Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Corallorhiza trifida early coral-root Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Corema conradii broom-crowberry Ericaceae MA ME Yes Woody Plants Broad-leaved woody plants
Coreopsis basalis golden mane tickseed Asteraceae CT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis grandiflora large-flowered tickseed Asteraceae CT ME RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis lanceolata lance-leaved tickseed Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis major greater tickseed Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis palmata stiff tickseed Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis pubescens hairy tickseed Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis rosea pink tickseed Asteraceae MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis tinctoria golden tickseed Asteraceae CT MA ME RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis tripteris tall tickseed Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coreopsis verticillata thread-leaved tickseed Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Coriandrum sativum coriander Apiaceae CT MA ME RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Coronilla scorpioides yellow false crown-vetch Fabaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Corrigiola litoralis strapwort Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Corydalis aurea golden corydalis Papaveraceae MA NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Corydalis flavula short-spurred corydalis Papaveraceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Corydalis solida spring corydalis Papaveraceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Corylus americana American hazelnut Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Corylus cornuta beaked hazelnut Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Corynephorus canescens gray club-awn grass Poaceae CT MA ME No Grass-like plants True grasses
Cosmos bipinnatus garden cosmos Asteraceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cosmos parviflorus southwestern cosmos Asteraceae MA ME RI No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cosmos sulphureus sulphur cosmos Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cota tinctoria golden-chamomile Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cotinus coggygria European smoketree Anacardiaceae CT MA NH VT No Woody Plants Broad-leaved woody plants
Cotoneaster divaricatus spreading cotoneaster Rosaceae MA No Woody Plants Broad-leaved woody plants
Cotula coronopifolia common brassbuttons Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crassula aquatica pygmy-weed Crassulaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Crataegus asperifolia rough-leaved hawthorn Rosaceae VT Yes Woody Plants Broad-leaved woody plants
Crataegus bicknellii Bicknell's hawthorn Rosaceae MA Yes Woody Plants Broad-leaved woody plants
Crataegus biltmoreana Biltmore hawthorn Rosaceae CT MA VT Yes Woody Plants Broad-leaved woody plants
Crataegus boyntonii stinking hawthorn Rosaceae CT MA VT Yes Woody Plants Broad-leaved woody plants
Crataegus brainerdii Brainerd's hawthorn Rosaceae MA VT Yes Woody Plants Broad-leaved woody plants
Crataegus chrysocarpa fireberry hawthorn Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Crataegus coccinea scarlet hawthorn Rosaceae CT MA NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus coccinioides Kansas hawthorn Rosaceae CT MA VT Yes Woody Plants Broad-leaved woody plants
Crataegus crus-galli cockspur hawthorn Rosaceae CT MA ME RI VT Yes Woody Plants Broad-leaved woody plants
Crataegus cyclophylla round-leaved hawthorn Rosaceae VT Yes Woody Plants Broad-leaved woody plants
Crataegus dissona northern hawthorn Rosaceae CT MA NH RI VT Yes Woody Plants Broad-leaved woody plants
Crataegus dodgei Dodge's hawthorn Rosaceae CT MA VT Yes Woody Plants Broad-leaved woody plants
Crataegus egglestonii Eggleston's hawthorn Rosaceae VT Yes Woody Plants Broad-leaved woody plants
Crataegus faxonii Faxon's hawthorn Rosaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus flabellata fan-leaved hawthorn Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus flavida yellow hawthorn Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Crataegus fluviatilis river hawthorn Rosaceae MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus forbesae Forbes' hawthorn Rosaceae CT MA Yes Woody Plants Broad-leaved woody plants
Crataegus fretalis Long Island Sound hawthorn Rosaceae CT MA ME Yes Woody Plants Broad-leaved woody plants
Crataegus handyae Handy's hawthorn Rosaceae CT MA Yes Woody Plants Broad-leaved woody plants
Crataegus holmesiana Holmes' hawthorn Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus ideae Ide's hawthorn Rosaceae VT Yes Woody Plants Broad-leaved woody plants
Crataegus intricata entangled hawthorn Rosaceae CT MA NH RI VT Yes Woody Plants Broad-leaved woody plants
Crataegus irrasa zigzag hawthorn Rosaceae ME VT Yes Woody Plants Broad-leaved woody plants
Crataegus jesupii Jesup's hawthorn Rosaceae CT VT Yes Woody Plants Broad-leaved woody plants
Crataegus jonesiae Miss Jones' hawthorn Rosaceae ME Yes Woody Plants Broad-leaved woody plants
Crataegus keepii Keep's hawthorn Rosaceae MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus kennedyi Kennedy's hawthorn Rosaceae VT Yes Woody Plants Broad-leaved woody plants
Crataegus laurentiana Brunet's hawthorn Rosaceae ME Yes Woody Plants Broad-leaved woody plants
Crataegus levis smooth hawthorn Rosaceae CT RI Yes Woody Plants Broad-leaved woody plants
Crataegus lucorum grove hawthorn Rosaceae VT Yes Woody Plants Broad-leaved woody plants
Crataegus lumaria thorny hawthorn Rosaceae CT MA Yes Woody Plants Broad-leaved woody plants
Crataegus macracantha long-thorned hawthorn Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Crataegus macrosperma large-seeded hawthorn Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Crataegus monogyna one-seeded hawthorn Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Crataegus oakesiana Oakes' hawthorn Rosaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus phaenopyrum Washington hawthorn Rosaceae MA ME RI Yes Woody Plants Broad-leaved woody plants
Crataegus pisifera pea hawthorn Rosaceae VT Yes Woody Plants Broad-leaved woody plants
Crataegus populnea poplar hawthorn Rosaceae CT MA NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus pringlei Pringle's hawthorn Rosaceae MA NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus pruinosa frosted hawthorn Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Crataegus punctata dotted hawthorn Rosaceae CT MA NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus scabrida scabrous hawthorn Rosaceae NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus schizophylla cleft-leaved hawthorn Rosaceae MA Yes Woody Plants Broad-leaved woody plants
Crataegus schuettei Schuette's hawthorn Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus stonei Stone's hawthorn Rosaceae MA Yes Woody Plants Broad-leaved woody plants
Crataegus submollis Quebec hawthorn Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Crataegus succulenta fleshy hawthorn Rosaceae MA VT Yes Woody Plants Broad-leaved woody plants
Crataegus umbratilis shaded hawthorn Rosaceae CT Yes Woody Plants Broad-leaved woody plants
Crepis biennis rough hawk's-beard Asteraceae VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crepis capillaris smooth hawk's-beard Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crepis foetida stinking hawk's-beard Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crepis nicaeensis Turkish hawk's-beard Asteraceae MA VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crepis setosa bristly hawk's-beard Asteraceae CT VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crepis tectorum narrow-leaved hawk's-beard Asteraceae CT MA ME RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crepis vesicaria beaked hawk's-beard Asteraceae CT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crocanthemum bicknellii hoary frostweed Cistaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Crocanthemum canadense Canada frostweed Cistaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Crocanthemum dumosum bushy frostweed Cistaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Crocanthemum propinquum low frostweed Cistaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Crocus vernus Dutch crocus Iridaceae CT MA No Orchids and related plants Irises, lilies, and other "monocots"
Crotalaria sagittalis arrow-head rattlebox Fabaceae CT MA NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Croton capitatus woolly croton Euphorbiaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Crotonopsis elliptica elliptic-leaved rushfoil Euphorbiaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Croton texensis Texas croton Euphorbiaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Crupina vulgaris common crupina Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Crypsis schoenoides swamp pricklegrass Poaceae MA VT No Grass-like plants True grasses
Cryptantha ambigua basin cat's-eye Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cryptogramma stelleri slender rock-brake Pteridaceae CT MA ME NH VT Yes Ferns True ferns and moonworts
Cryptotaenia canadensis Canada honewort Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cucumis anguria West India gherkin Cucurbitaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cucumis melo cantaloupe Cucurbitaceae CT MA NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cucumis myriocarpus paddy melon Cucurbitaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cucumis sativus cucumber Cucurbitaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cucurbita maxima winter squash Cucurbitaceae MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cucurbita pepo pumpkin Cucurbitaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuminum cyminum cumin Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuphea procumbens creeping waxweed Lythraceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cuphea viscosissima clammy waxweed Lythraceae CT MA RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cuscuta approximata alfalfa dodder Convolvulaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta campestris field dodder Convolvulaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta cephalanthi buttonbush dodder Convolvulaceae CT MA NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta compacta compact dodder Convolvulaceae CT MA NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta coryli hazel dodder Convolvulaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta epithymum clover dodder Convolvulaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta europaea greater dodder Convolvulaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta gronovii common dodder Convolvulaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta indecora collared dodder Convolvulaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta pentagona bush-clover dodder Convolvulaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cuscuta polygonorum smartweed dodder Convolvulaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cyclachaena xanthiifolia carelessweed Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Cycloloma atriplicifolium winged-pigweed Amaranthaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cydonia oblonga quince Rosaceae CT MA No Woody Plants Broad-leaved woody plants
Cymbalaria muralis Kenilworth-ivy Plantaginaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cynanchum louiseae black swallowwort Apocynaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cynanchum rossicum pale swallowwort Apocynaceae CT MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Cynodon dactylon Bermuda grass Poaceae CT MA No Grass-like plants True grasses
Cynoglossum amabile Chinese hound's-tongue Boraginaceae MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cynoglossum microglochin small-bristled hound's-tongue Boraginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cynoglossum officinale common hound's-tongue Boraginaceae CT MA NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cynoglossum virginianum wild hound's-tongue Boraginaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Cynosurus cristatus crested dogtail grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Cyperus acuminatus taper-tipped flatsedge Cyperaceae NH Yes and no (some introduced) Grass-like plants All other grass-like plants
Cyperus bipartitus shining flatsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Cyperus dentatus toothed flatsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Cyperus diandrus umbrella flatsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Cyperus echinatus globe flatsedge Cyperaceae CT MA RI Yes and no (some introduced) Grass-like plants All other grass-like plants
Cyperus erythrorhizos red-root flatsedge Cyperaceae CT MA ME NH RI Yes Grass-like plants All other grass-like plants
Cyperus esculentus nut flatsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Cyperus filicinus fern flatsedge Cyperaceae CT MA ME NH RI Yes Grass-like plants All other grass-like plants
Cyperus flavescens yellow flatsedge Cyperaceae MA Yes Grass-like plants All other grass-like plants
Cyperus fuscus brown flatsedge Cyperaceae CT MA No Grass-like plants All other grass-like plants
Cyperus grayi Gray's flatsedge Cyperaceae CT MA NH RI Yes Grass-like plants All other grass-like plants
Cyperus houghtonii Houghton's flatsedge Cyperaceae MA ME NH VT Yes Grass-like plants All other grass-like plants
Cyperus iria rice-field flatsedge Cyperaceae CT MA No Grass-like plants All other grass-like plants
Cyperus lupulinus Great Plains flatsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Cyperus microiria lesser rice-field flatsedge Cyperaceae CT MA No Grass-like plants All other grass-like plants
Cyperus odoratus rusty flatsedge Cyperaceae CT MA NH RI VT Yes Grass-like plants All other grass-like plants
Cyperus polystachyos many-spiked flatsedge Cyperaceae MA ME Yes Grass-like plants All other grass-like plants
Cyperus pseudovegetus marsh flatsedge Cyperaceae MA Yes Grass-like plants All other grass-like plants
Cyperus retrorsus pine barren flatsedge Cyperaceae MA Yes Grass-like plants All other grass-like plants
Cyperus schweinitzii Schweinitz's flatsedge Cyperaceae MA Yes and no (some introduced) Grass-like plants All other grass-like plants
Cyperus squarrosus awned flatsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Cyperus strigosus straw-colored flatsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Cypripedium acaule pink lady's-slipper Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Cypripedium arietinum ram's-head lady's-slipper Orchidaceae CT MA ME NH VT Yes Orchids and related plants Orchids
Cypripedium parviflorum yellow lady's-slipper Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Cypripedium reginae showy lady's-slipper Orchidaceae CT MA ME NH VT Yes Orchids and related plants Orchids
Cystopteris bulbifera bulblet fragile fern Woodsiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Cystopteris fragilis fragile fern Woodsiaceae CT MA ME NH VT Yes Ferns True ferns and moonworts
Cystopteris laurentiana Laurentian fragile fern Woodsiaceae CT MA VT Yes Ferns True ferns and moonworts
Cystopteris protrusa southern fragile fern Woodsiaceae CT Yes Ferns True ferns and moonworts
Cystopteris tenuis Mackay's fragile fern Woodsiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Cytisus scoparius Scotch broom Fabaceae CT MA ME NH RI No Woody Plants Broad-leaved woody plants
Dactylis glomerata orchard grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Dactyloctenium aegyptium Durban crowfoot grass Poaceae MA ME No Grass-like plants True grasses
Dactyloctenium radulans button grass Poaceae MA No Grass-like plants True grasses
Dalea candida white prairie-clover Fabaceae NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dalea leporina fox-tail prairie-clover Fabaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Danthonia californica California oatgrass Poaceae MA Yes and no (some introduced) Grass-like plants True grasses
Danthonia compressa flattened oatgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Danthonia spicata poverty grass, poverty oatgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Daphne cneorum rose daphne Thymelaeaceae MA No Woody Plants Broad-leaved woody plants
Daphne mezereum February daphne, paradise plant Thymelaeaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Dasiphora floribunda shrubby-cinquefoil Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Datura inoxia downy thorn-apple Solanaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Datura stramonium jimsonweed, thorn-apple Solanaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Datura wrightii sacred thorn-apple Solanaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Daucus carota wild carrot Apiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Decodon verticillatus swamp-loosestrife Lythraceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Broad-leaved woody plants
Deinandra fasciculata clustered moonshine-daisy Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Delphinium exaltatum tall larkspur Ranunculaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dendrolycopodium dendroideum prickly tree-clubmoss Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Dendrolycopodium hickeyi Hickey's tree-clubmoss Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Dendrolycopodium obscurum flat-branched tree-clubmoss Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Dennstaedtia punctilobula eastern hay-scented fern Dennstaedtiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Deparia acrostichoides silvery false spleenwort Woodsiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Deschampsia anadyrensis glaucous hair grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Deschampsia cespitosa tufted hair grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Deschampsia danthonioides annual hair grass Poaceae ME Yes and no (some introduced) Grass-like plants True grasses
Deschampsia elongata slender hair grass Poaceae ME Yes and no (some introduced) Grass-like plants True grasses
Deschampsia flexuosa wavy hair grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Descurainia incana mountain tansy-mustard Brassicaceae CT MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Descurainia pinnata western tansy-mustard Brassicaceae MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Descurainia sophia fine-leaved tansy-mustard Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmazeria rigida fern grass Poaceae MA RI No Grass-like plants True grasses
Desmodium canadense showy tick-trefoil Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium canescens hoary tick-trefoil Fabaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium ciliare hairy small-leaved tick-trefoil Fabaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium cuspidatum large-bracted tick-trefoil Fabaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium glabellum smooth tick-trefoil Fabaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium marilandicum smooth small-leaved tick-trefoil Fabaceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium obtusum stiff tick-trefoil Fabaceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium paniculatum panicled tick-trefoil Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium perplexum perplexed tick-trefoil Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium rotundifolium round-leaved trailing tick-trefoil Fabaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Desmodium sessilifolium sessile-leaved tick-trefoil Fabaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Deutzia scabra fuzzy pride-of-Rochester Hydrangeaceae CT MA RI VT No Woody Plants Broad-leaved woody plants
Dianthus armeria Deptford pink Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dianthus barbatus sweet William pink Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dianthus carthusianorum cluster-headed pink Caryophyllaceae NH No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dianthus deltoides maiden pink Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dianthus plumarius garden pink Caryophyllaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Diapensia lapponica cushion-plant, pincushion-plant Diapensiaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Dicentra canadensis squirrel-corn Papaveraceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dicentra cucullaria Dutchman's-breeches Papaveraceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dicentra eximia wild bleeding-heart Papaveraceae CT MA RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dicentra formosa western bleeding-heart Papaveraceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dichanthelium acuminatum hairy rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium boreale northern rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium boscii Bosc's rosette-panicgrass Poaceae CT RI Yes Grass-like plants True grasses
Dichanthelium clandestinum deer-tongue rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium commutatum variable rosette-panicgrass Poaceae CT MA RI Yes Grass-like plants True grasses
Dichanthelium depauperatum starved rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium dichotomum forked rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium latifolium broad-leaved rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium linearifolium linear-leaved rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium oligosanthes few-flowered rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium ovale stiff-leaved rosette-panicgrass Poaceae CT MA RI Yes Grass-like plants True grasses
Dichanthelium scabriusculum tall swamp rosette-panicgrass Poaceae CT MA RI Yes Grass-like plants True grasses
Dichanthelium scoparium velvety rosette-panicgrass Poaceae MA RI Yes Grass-like plants True grasses
Dichanthelium sphaerocarpon round-fruited rosette-panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Dichanthelium wrightianum Wright's rosette-panicgrass Poaceae MA RI Yes Grass-like plants True grasses
Dichanthelium xanthophysum pale-leaved rosette-panicgrass Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Dictamnus albus gasplant Rutaceae VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Diervilla lonicera bush-honeysuckle Caprifoliaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Digitalis grandiflora yellow foxglove Plantaginaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Digitalis lanata Grecian foxglove Plantaginaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Digitalis lutea straw foxglove Plantaginaceae CT MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Digitalis purpurea purple foxglove Plantaginaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Digitaria cognata fall crabgrass Poaceae CT MA NH RI VT Yes Grass-like plants True grasses
Digitaria filiformis slender crabgrass Poaceae CT MA NH RI VT Yes Grass-like plants True grasses
Digitaria ischaemum smooth crabgrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Digitaria sanguinalis hairy crabgrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Digitaria violascens violet crabgrass Poaceae MA No Grass-like plants True grasses
Diodia teres rough buttonweed Rubiaceae CT MA RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Diodia virginiana Virginia buttonweed Rubiaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dioscorea polystachya Chinese yam Dioscoreaceae CT MA RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Dioscorea villosa wild yam Dioscoreaceae CT MA RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Diospyros virginiana common persimmon Ebenaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Diphasiastrum complanatum northern ground-cedar Lycopodiaceae ME NH VT Yes Ferns Clubmosses and relatives, plus quillworts
Diphasiastrum digitatum southern ground-cedar Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Diphasiastrum sitchense Sitka ground-cedar Lycopodiaceae ME NH Yes Ferns Clubmosses and relatives, plus quillworts
Diphasiastrum tristachyum blue ground-cedar Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Diplazium pycnocarpon narrow-leaved glade fern Woodsiaceae CT MA NH VT Yes Ferns True ferns and moonworts
Diplotaxis muralis annual wall-rocket Brassicaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Diplotaxis tenuifolia perennial wall-rocket Brassicaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dipsacus fullonum fuller's teasel Caprifoliaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dipsacus laciniatus cut-leaved teasel Caprifoliaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dirca palustris eastern leatherwood Thymelaeaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Distichlis spicata saltgrass Poaceae CT MA ME NH RI Yes and no (some introduced) Grass-like plants True grasses
Dittrichia graveolens stinkwort Asteraceae CT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Doellingeria infirma Appalachian white-aster Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Doellingeria umbellata tall white-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Doronicum pardalianches greater false leopard's bane Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Draba arabisans rock whitlow-mustard Brassicaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Draba cana canescent whitlow-mustard Brassicaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Draba glabella smooth whitlow-mustard Brassicaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Draba reptans Carolina whitlow-mustard Brassicaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Draba verna spring draba, spring whitlow-mustard Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dracocephalum moldavica Moldavian dragonhead Lamiaceae CT VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dracocephalum parviflorum American dragonhead Lamiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dracocephalum thymiflorum thyme-leaved dragonhead Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Drosera anglica English sundew Droseraceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Drosera filiformis thread-leaved sundew Droseraceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Drosera intermedia spatulate-leaved sundew Droseraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Drosera linearis slender-leaved sundew Droseraceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Drosera rotundifolia round-leaved sundew Droseraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Drymocallis arguta tall wood-beauty Rosaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Dryopteris campyloptera mountain wood fern Dryopteridaceae CT MA ME NH VT Yes Ferns True ferns and moonworts
Dryopteris carthusiana spinulose wood fern Dryopteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Dryopteris clintoniana Clinton's wood fern Dryopteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Dryopteris cristata crested wood fern Dryopteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Dryopteris filix-mas male wood fern Dryopteridaceae ME NH RI VT Yes and no (some introduced) Ferns True ferns and moonworts
Dryopteris fragrans fragrant wood fern Dryopteridaceae ME NH VT Yes Ferns True ferns and moonworts
Dryopteris goldiana Goldie's wood fern Dryopteridaceae CT MA ME NH VT Yes Ferns True ferns and moonworts
Dryopteris intermedia evergreen wood fern Dryopteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Dryopteris marginalis marginal wood fern Dryopteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Dulichium arundinaceum three-way sedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Dysphania ambrosioides Mexican-tea Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dysphania anthelmintica wormseed Amaranthaceae MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dysphania botrys Jerusalem-oak Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dysphania cristata crested glandular-goosefoot Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dysphania graveolens fetid glandular-goosefoot Amaranthaceae MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dysphania multifida cut-leaved glandular-goosefoot Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dysphania pumilio clammy glandular-goosefoot Amaranthaceae CT MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Dyssodia papposa fetid-marigold Asteraceae MA ME VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Echinacea pallida pale purple coneflower Asteraceae CT MA ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Echinacea purpurea eastern purple coneflower Asteraceae CT MA NH VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Echinochloa colona awnless barnyard grass Poaceae MA VT No Grass-like plants True grasses
Echinochloa crus-galli common barnyard grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Echinochloa frumentacea billion-dollar barnyard grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Echinochloa muricata American barnyard grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Echinochloa walteri coast barnyard grass Poaceae CT MA NH RI Yes Grass-like plants True grasses
Echinocystis lobata wild cucumber Cucurbitaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Echinops sphaerocephalus greater globe-thistle Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Echium creticum Cretan viper's-bugloss Boraginaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Echium plantagineum plantain viper's-bugloss Boraginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Echium pustulatum pustulose viper's-bugloss Boraginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Echium vulgare common viper's-bugloss Boraginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Eclipta prostrata false daisy Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Egeria densa Brazilian-waterweed Hydrocharitaceae CT MA NH VT No Aquatic plants Water plants with leaves and stems
Eichhornia crassipes common water-hyacinth Pontederiaceae CT MA NH No All other flowering non-woody plants; Orchids and related plants Other herbaceous, flowering plants with alternate leaves; Irises, lilies, and other "monocots"
Elaeagnus angustifolia Russian-olive Elaeagnaceae CT MA RI VT No Woody Plants Broad-leaved woody plants
Elaeagnus pungens thorny-olive Elaeagnaceae MA No Woody Plants Broad-leaved woody plants
Elaeagnus umbellata autumn-olive Elaeagnaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Elatine americana American waterwort Elatinaceae CT MA ME NH RI VT Yes Aquatic plants; All other flowering non-woody plants Water plants with leaves and stems; Other herbaceous, flowering plants with alternate leaves
Elatine minima small waterwort Elatinaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with alternate leaves; Water plants with leaves and stems
Elatine triandra Eurasian waterwort Elatinaceae MA ME Yes and no (some introduced) Aquatic plants; All other flowering non-woody plants Water plants with leaves and stems; Other herbaceous, flowering plants with alternate leaves
Eleocharis acicularis needle spikesedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants; Aquatic plants All other grass-like plants; Water plants with leaves and stems
Eleocharis aestuum tidal spikesedge Cyperaceae CT ME VT Yes Grass-like plants All other grass-like plants
Eleocharis ambigens ambiguous spikesedge Cyperaceae CT MA RI Yes Grass-like plants All other grass-like plants
Eleocharis compressa flat-stemmed spikesedge Cyperaceae VT Yes Grass-like plants All other grass-like plants
Eleocharis diandra Wright's spikesedge Cyperaceae CT MA ME NH VT Yes Grass-like plants All other grass-like plants
Eleocharis elliptica elliptic spikesedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eleocharis engelmannii Engelmann's spikesedge Cyperaceae CT MA ME RI Yes Grass-like plants All other grass-like plants
Eleocharis equisetoides horsetail spikesedge Cyperaceae CT MA RI Yes Grass-like plants All other grass-like plants
Eleocharis erythropoda red-footed spikesedge Cyperaceae CT MA ME NH VT Yes Grass-like plants All other grass-like plants
Eleocharis fallax creeping spikesedge Cyperaceae MA Yes Grass-like plants All other grass-like plants
Eleocharis flavescens yellow spikesedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eleocharis intermedia mudflat spikesedge Cyperaceae CT MA ME NH VT Yes Grass-like plants All other grass-like plants
Eleocharis melanocarpa black-fruited spikesedge Cyperaceae MA RI Yes Grass-like plants All other grass-like plants
Eleocharis microcarpa small-fruited spikesedge Cyperaceae CT MA Yes Grass-like plants All other grass-like plants
Eleocharis nitida quill spikesedge Cyperaceae ME NH VT Yes Grass-like plants All other grass-like plants
Eleocharis obtusa blunt spikesedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eleocharis ovata ovoid spikesedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eleocharis palustris common spikesedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eleocharis parvula little-headed spikesedge Cyperaceae CT MA ME NH RI Yes Grass-like plants All other grass-like plants
Eleocharis quadrangulata square-stemmed spikesedge Cyperaceae CT MA Yes Grass-like plants All other grass-like plants
Eleocharis quinqueflora few-flowered spikesedge Cyperaceae MA ME NH VT Yes Grass-like plants All other grass-like plants
Eleocharis robbinsii Robbins' spikesedge Cyperaceae CT MA ME NH RI VT Yes Aquatic plants; Grass-like plants Water plants with leaves and stems; All other grass-like plants
Eleocharis rostellata beaked spikesedge Cyperaceae CT MA ME RI Yes Grass-like plants All other grass-like plants
Eleocharis tenuis slender spikesedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eleocharis tricostata three-angled spikesedge Cyperaceae MA RI Yes Grass-like plants All other grass-like plants
Eleocharis tuberculosa long-tubercled spikesedge Cyperaceae CT MA ME NH RI Yes Grass-like plants All other grass-like plants
Eleocharis uniglumis one-glumed spikesedge Cyperaceae CT MA ME NH RI Yes Grass-like plants All other grass-like plants
Eleusine indica goosegrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Eleutherococcus pentaphyllus five-leaved-aralia Apiaceae CT MA No Woody Plants Broad-leaved woody plants
Ellisia nyctelea Aunt Lucy Boraginaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Elodea canadensis common waterweed Hydrocharitaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Elodea nuttallii free-flowered waterweed Hydrocharitaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Elsholtzia ciliata crested late-summer-mint Lamiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Elymus canadensis Great Plains wild-rye Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Elymus curvatus awnless wild-rye Poaceae MA RI Yes and no (some introduced) Grass-like plants True grasses
Elymus glabriflorus southeastern wild-rye Poaceae CT MA RI Yes Grass-like plants True grasses
Elymus hystrix eastern bottle-brush grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Elymus macgregorii early wild-rye Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Elymus repens creeping wild-rye Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Elymus riparius eastern riverbank wild-rye Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Elymus trachycaulus wheatgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Elymus villosus downy wild-rye Poaceae CT MA RI VT Yes Grass-like plants True grasses
Elymus virginicus common eastern wild-rye Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Elymus wiegandii Wiegand's wild-rye Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Emex spinosa spiny threecorner-Jack Polygonaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Empetrum atropurpureum purple crowberry Ericaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Empetrum nigrum black crowberry Ericaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Endodeca serpentaria Virginia serpentaria Aristolochiaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Epifagus virginiana beech-drops Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Epigaea repens trailing-arbutus Ericaceae CT MA ME NH RI VT Yes Woody Plants; All other flowering non-woody plants Broad-leaved woody plants; Other herbaceous, flowering plants with alternate leaves
Epilobium anagallidifolium pimpernel willow-herb Onagraceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium ciliatum fringed willow-herb Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium coloratum eastern willow-herb Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium hirsutum hairy willow-herb Onagraceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium hornemannii Hornemann's willow-herb Onagraceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium lactiflorum white-flowered willow-herb Onagraceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium leptophyllum bog willow-herb Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium palustre marsh willow-herb Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium parviflorum small-flowered willow-herb Onagraceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Epilobium strictum downy willow-herb Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Epipactis atrorubens dark red helleborine Orchidaceae VT No Orchids and related plants Orchids
Epipactis helleborine broad-leaved helleborine Orchidaceae CT MA ME NH RI VT No Orchids and related plants Orchids
Equisetum arvense field horsetail Equisetaceae CT MA ME NH RI VT Yes Ferns Horsetails and scouring-rushes
Equisetum fluviatile river horsetail Equisetaceae CT MA ME NH RI VT Yes Ferns Horsetails and scouring-rushes
Equisetum hyemale tall scouring-rush Equisetaceae CT MA ME NH RI VT Yes Ferns Horsetails and scouring-rushes
Equisetum palustre marsh horsetail Equisetaceae CT MA ME NH VT Yes Ferns Horsetails and scouring-rushes
Equisetum pratense meadow horsetail Equisetaceae CT MA ME NH VT Yes Ferns Horsetails and scouring-rushes
Equisetum scirpoides dwarf scouring-rush Equisetaceae CT MA ME NH VT Yes Ferns Horsetails and scouring-rushes
Equisetum sylvaticum wood horsetail Equisetaceae CT MA ME NH RI VT Yes Ferns Horsetails and scouring-rushes
Equisetum variegatum variegated scouring-rush Equisetaceae CT MA ME NH RI VT Yes Ferns Horsetails and scouring-rushes
Eragrostis capillaris lace lovegrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Eragrostis cilianensis stinking lovegrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Eragrostis curvula weeping lovegrass Poaceae CT MA RI No Grass-like plants True grasses
Eragrostis frankii sandbar lovegrass Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Eragrostis hypnoides teel lovegrass Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Eragrostis intermedia plains lovegrass Poaceae MA ME Yes and no (some introduced) Grass-like plants True grasses
Eragrostis mexicana Mexican lovegrass Poaceae CT MA ME Yes and no (some introduced) Grass-like plants True grasses
Eragrostis minor little lovegrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Eragrostis pectinacea tufted lovegrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Eragrostis pilosa India lovegrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Eragrostis spectabilis purple lovegrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Erechtites hieraciifolius American burnweed Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eremochloa ophiuroides centipede grass Poaceae MA No Grass-like plants True grasses
Erica cinerea Scotch heath Ericaceae MA No Woody Plants Broad-leaved woody plants
Erica tetralix cross-leaved heath Ericaceae CT MA ME NH No Woody Plants Broad-leaved woody plants
Erica vagans Cornish heath Ericaceae MA No Woody Plants Broad-leaved woody plants
Erigeron acris bitter fleabane Asteraceae ME Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Erigeron annuus annual fleabane Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Erigeron canadensis Canada fleabane Asteraceae Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Erigeron hyssopifolius hyssop-leaved fleabane Asteraceae ME VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Erigeron philadelphicus Philadelphia fleabane Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Erigeron pulchellus Robin's plantain fleabane Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Erigeron strigosus rough fleabane Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eriocaulon aquaticum seven-angled pipewort Eriocaulaceae CT MA ME NH RI VT Yes Aquatic plants; Orchids and related plants Water plants with leaves and stems; Irises, lilies, and other "monocots"
Eriocaulon parkeri Parker's pipewort Eriocaulaceae CT MA ME Yes Orchids and related plants; Aquatic plants Irises, lilies, and other "monocots"; Water plants with leaves and stems
Eriophorum angustifolium tall cottonsedge Cyperaceae ME NH Yes Grass-like plants All other grass-like plants
Eriophorum gracile slender cottongrass, slender cottonsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eriophorum tenellum few-nerved cottonsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eriophorum vaginatum tussock cottonsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eriophorum virginicum tawny cottonsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Eriophorum viridicarinatum green-keeled cottonsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Erodium botrys long-beaked stork's-bill Geraniaceae MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Erodium ciconium common stork's-bill Geraniaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Erodium cicutarium red-stemmed stork's-bill Geraniaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Erodium cygnorum Australian stork's-bill Geraniaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Erodium malacoides Mediterranean stork's-bill Geraniaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Erodium moschatum musky stork's-bill Geraniaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Erodium stephanianum Stephen's stork's-bill Geraniaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Erucastrum gallicum common dog-mustard Brassicaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Eruca vesicaria garden-rocket Brassicaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Eryngium amethystinum amethyst eryngo Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Eryngium planum plains eryngo Apiaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Eryngium yuccifolium button eryngo Apiaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Erysimum capitatum sand-dune wallflower Brassicaceae ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Erysimum cheiranthoides wormseed wallflower Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Erysimum hieraciifolium European wallflower Brassicaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Erysimum inconspicuum shy wallflower Brassicaceae MA ME NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Erysimum odoratum fragrant wallflower Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Erysimum repandum spreading wallflower Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Erythronium albidum white trout-lily Liliaceae CT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Erythronium americanum American trout-lily Liliaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Eschscholzia californica California-poppy Papaveraceae CT MA NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Eubotrys racemosa swamp deciduous dog-laurel, swamp dog-hobble Ericaceae CT MA RI Yes Woody Plants Broad-leaved woody plants
Euchiton involucratus common creeping-cudweed Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Euclidium syriacum Syrian-mustard Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Eudianthe coeli-rosa rose catchfly Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euonymus alatus burning-bush, winged spindle-tree Celastraceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Euonymus atropurpureus eastern spindle-tree Celastraceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Euonymus europaeus European spindle-tree Celastraceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Euonymus fortunei climbing spindle-tree Celastraceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Euonymus phellomanus cork spindle-tree Celastraceae CT MA No Woody Plants Broad-leaved woody plants
Eupatorium album white thoroughwort Asteraceae CT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium altissimum tall thoroughwort Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium hyssopifolium hyssop-leaved boneset, hyssop-leaved thoroughwort Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium novae-angliae New England thoroughwort Asteraceae MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium perfoliatum boneset thoroughwort Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium pilosum ragged thoroughwort Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium pubescens hairy boneset, hairy thoroughwort Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium rotundifolium round-leaved thoroughwort Asteraceae CT MA Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium serotinum late thoroughwort Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium sessilifolium upland boneset, upland thoroughwort Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eupatorium torreyanum Torrey's thoroughwort Asteraceae CT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Euphorbia corollata flowering spurge Euphorbiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia cyparissias cypress spurge Euphorbiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Euphorbia dentata toothed spurge Euphorbiaceae CT MA NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia esula leafy spurge Euphorbiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Euphorbia glyptosperma rib-seeded sandmat Euphorbiaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia helioscopia sun spurge Euphorbiaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia ipecacuanhae ipecac spurge Euphorbiaceae CT All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia lathyris gopher spurge Euphorbiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia maculata spotted sandmat Euphorbiaceae Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia marginata mountain snow spurge Euphorbiaceae CT MA NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia nutans eyebane sandmat Euphorbiaceae CT MA NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia peplus petty spurge Euphorbiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia platyphyllos broad-leaved spurge Euphorbiaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia polygonifolia seaside sandmat Euphorbiaceae Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia prostrata prostrate sandmat Euphorbiaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia serpens matted sandmat Euphorbiaceae NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia serpyllifolia thyme-leaved sandmat Euphorbiaceae NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia vermiculata hairy sandmat Euphorbiaceae Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphorbia virgata slender leafy spurge Euphorbiaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphrasia micrantha northern eyebright Orobanchaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphrasia nemorosa common eyebright Orobanchaceae MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphrasia oakesii Oakes' eyebright Orobanchaceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphrasia randii Rand's eyebright Orobanchaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphrasia stricta strict eyebright Orobanchaceae MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphrasia suborbicularis round-leaved eyebright Orobanchaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Euphrasia tetraquetra seacliff eyebright Orobanchaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Eurybia divaricata white wood-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eurybia macrophylla large-leaved wood-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eurybia radula rough wood-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eurybia schreberi Schreber's wood-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eurybia spectabilis purple wood-aster Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Euthamia caroliniana coastal plain grass-leaved-goldenrod, slender goldentop Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Euthamia graminifolia common grass-leaved-goldenrod, flat-top goldentop Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eutrochium dubium coastal plain Joe-Pye weed Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eutrochium fistulosum hollow Joe-Pye weed Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eutrochium maculatum spotted Joe-Pye weed Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Eutrochium purpureum purple Joe-Pye weed Asteraceae CT MA NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Exochorda racemosa common pearlbrush Rosaceae CT MA No Woody Plants Broad-leaved woody plants
Fagopyrum esculentum garden buckwheat Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fagopyrum tataricum green buckwheat Polygonaceae MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fagus grandifolia American beech Fagaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Fagus sylvatica European beech Fagaceae CT MA ME RI No Woody Plants Broad-leaved woody plants
Falcaria vulgaris sickleweed Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fallopia baldschuanica Chinese bindweed Polygonaceae CT MA No All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with alternate leaves; Broad-leaved woody plants
Fallopia ciliinodis fringed bindweed Polygonaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fallopia convolvulus black bindweed Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fallopia cristata crested bindweed Polygonaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fallopia dumetorum thicket bindweed Polygonaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fallopia japonica Japanese winged-knotweed Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fallopia sachalinensis giant winged-knotweed Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fallopia scandens climbing bindweed Polygonaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fatoua villosa hairy crabweed Moraceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Festuca brachyphylla alpine fescue Poaceae VT Yes Grass-like plants True grasses
Festuca filiformis fine-leaved sheep fescue Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Festuca ovina sheep fescue Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Festuca prolifera proliferous fescue Poaceae ME NH Yes Grass-like plants True grasses
Festuca rubra red fescue Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Festuca subverticillata nodding fescue Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Festuca trachyphylla hard fescue Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Ficaria verna fig-crowfoot, lesser celandine Ranunculaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ficus carica common fig Moraceae MA No Woody Plants Broad-leaved woody plants
Filago vulgaris common cotton-rose Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Filipendula rubra prairie dropwort, queen-of-the-prairie Rosaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Filipendula ulmaria meadow dropwort Rosaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Filipendula vulgaris common dropwort Rosaceae CT ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fimbristylis autumnalis slender fimbry Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Flaveria trinervia clustered yellowtops Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Floerkea proserpinacoides false mermaidweed Limnanthaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Foeniculum vulgare sweet fennel Apiaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Forsythia suspensa weeping forsythia Oleaceae CT MA VT No Woody Plants Broad-leaved woody plants
Forsythia viridissima green-stemmed forsythia Oleaceae CT MA NH No Woody Plants Broad-leaved woody plants
Fragaria vesca woodland strawberry Rosaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Fragaria virginiana common strawberry Rosaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Frangula alnus glossy false buckthorn Rhamnaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Frankenia pulverulenta European sea-heath Frankeniaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Frasera albicaulis white-stemmed elkweed Gentianaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Fraxinus americana white ash Oleaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Fraxinus excelsior European ash Oleaceae CT MA No Woody Plants Broad-leaved woody plants
Fraxinus nigra black ash Oleaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Fraxinus pennsylvanica green ash Oleaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Froelichia gracilis slender cotton-weed Amaranthaceae CT MA NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Fuirena pumila dwarf umbrella-sedge Cyperaceae CT MA RI Yes Grass-like plants All other grass-like plants
Fuirena squarrosa hairy umbrella-sedge Cyperaceae MA Yes Grass-like plants All other grass-like plants
Fumaria officinalis common fumitory Papaveraceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Gadellia lactiflora milky-bellflower Campanulaceae NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Gagea fragifera star-of-Bethlehem Liliaceae VT No Orchids and related plants Irises, lilies, and other "monocots"
Gaillardia aristata common blanket-flower Asteraceae CT MA NH Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Gaillardia pulchella rosering blanket-flower Asteraceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Galanthus nivalis snowdrop Amaryllidaceae MA No Orchids and related plants Irises, lilies, and other "monocots"
Galax urceolata beetleweed Diapensiaceae MA NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galearis spectabilis showy orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Galega officinalis professor-weed Fabaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Galeopsis bifida split-lipped hemp-nettle Lamiaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galeopsis ladanum red hemp-nettle Lamiaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galeopsis tetrahit brittle-stemmed hemp-nettle Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galinsoga parviflora gallant soldier, lesser quickweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Galinsoga quadriradiata common quickweed, shaggy soldier Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Galium album white bedstraw Rubiaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium aparine scratch bedstraw Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium asprellum rough bedstraw Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium boreale northern bedstraw Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium brevipes limestone swamp bedstraw Rubiaceae MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium circaezans forest licorice bedstraw Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium divaricatum Lamarck's bedstraw Rubiaceae VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium glaucum waxy bedstraw Rubiaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium kamtschaticum boreal bedstraw Rubiaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium labradoricum northern bog bedstraw Rubiaceae MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium lanceolatum lance-leaved licorice bedstraw Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium mollugo whorled bedstraw Rubiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium obtusum blunt-leaved bedstraw Rubiaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium odoratum sweet-scented bedstraw, sweet woodruff Rubiaceae MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium palustre marsh bedstraw Rubiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium pilosum hairy bedstraw Rubiaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium sylvaticum wood bedstraw Rubiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium tinctorium stiff three-petaled bedstraw Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium tricornutum rough-fruited bedstraw Rubiaceae RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium trifidum three-petaled bedstraw Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium triflorum fragrant bedstraw Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Galium verum yellow bedstraw Rubiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gamochaeta pensylvanica Pennsylvania everlasting-cudweed Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Gamochaeta purpurea purple everlasting-cudweed Asteraceae CT MA ME RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Gastridium phleoides nit grass Poaceae MA No Grass-like plants True grasses
Gaultheria hispidula creeping snowberry, creeping spicy-wintergreen Ericaceae CT MA ME NH RI VT Yes Woody Plants; All other flowering non-woody plants Broad-leaved woody plants; Other herbaceous, flowering plants with alternate leaves
Gaultheria procumbens eastern spicy-wintergreen, wintergreen Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with alternate leaves; Broad-leaved woody plants
Gaylussacia baccata black huckleberry Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Gaylussacia bigeloviana dwarf huckleberry Ericaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Gaylussacia frondosa blue huckleberry Ericaceae CT MA NH RI Yes Woody Plants Broad-leaved woody plants
Genista tinctoria dyer's greenweed Fabaceae CT MA ME RI VT No Woody Plants Broad-leaved woody plants
Gentiana andrewsii Andrew's bottle gentian Gentianaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gentiana clausa closed gentian, meadow bottle gentian Gentianaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gentiana linearis narrow-leaved gentian Gentianaceae MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gentiana rubricaulis red-stemmed gentian Gentianaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gentianella amarella northern dwarf-gentian Gentianaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gentianella quinquefolia stiff dwarf-gentian Gentianaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gentianopsis crinita greater fringed-gentian Gentianaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geocaulon lividum false toadflax, northern comandra Comandraceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geranium aequale smooth Dove's-foot crane's-bill Geraniaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geranium bicknellii northern crane's-bill Geraniaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geranium carolinianum Carolina crane's-bill Geraniaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geranium columbinum long-stalked crane's-bill Geraniaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geranium dissectum cut-leaved crane's-bill Geraniaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geranium maculatum spotted crane's-bill Geraniaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geranium molle dove's-foot crane's-bill Geraniaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geranium pratense meadow crane's-bill Geraniaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geranium pusillum small-flowered crane's-bill Geraniaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geranium pyrenaicum hedgerow crane's-bill Geraniaceae VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geranium robertianum herb-Robert, mountain crane's-bill Geraniaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geranium sanguineum bloody crane's-bill Geraniaceae MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geranium sibiricum Siberian crane's-bill Geraniaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geranium thunbergii dew-drop crane's-bill Geraniaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geum aleppicum yellow avens Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geum canadense white avens Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geum fragarioides Appalachian barren-strawberry Rosaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Geum laciniatum floodplain avens Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geum macrophyllum large-leaved avens Rosaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geum peckii White Mountain avens Rosaceae NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geum rivale water avens Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geum urbanum town avens Rosaceae MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geum vernum spring avens Rosaceae MA RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Geum virginianum cream-colored avens Rosaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Gilia achilleifolia blue gilia Polemoniaceae MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Gilia interior inland gilia Polemoniaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Gilia tricolor bird's-eye gilia Polemoniaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Gillenia trifoliata Bowman's-root Rosaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Glandularia canadensis rose mock-vervain Verbenaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Glaucium flavum yellow horn-poppy Papaveraceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Glebionis carinata tricolor daisy Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Glebionis coronaria crown daisy Asteraceae MA ME VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Glebionis segetum corn daisy Asteraceae CT MA ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Glechoma hederacea Gill-over-the-ground Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gleditsia triacanthos honey-locust Fabaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Glossostigma cleistanthum mud-mat Phrymaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Glyceria acutiflora sharp-scaled manna grass Poaceae CT MA ME NH RI VT Yes Grass-like plants; Aquatic plants True grasses; Water plants with leaves and stems
Glyceria borealis northern manna grass Poaceae CT MA ME NH VT Yes Aquatic plants; Grass-like plants Water plants with leaves and stems; True grasses
Glyceria canadensis rattlesnake manna grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Glyceria fluitans water manna grass Poaceae MA No Grass-like plants; Aquatic plants True grasses; Water plants with leaves and stems
Glyceria grandis American manna grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Glyceria laxa flaccid manna grass Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Glyceria maxima reed manna grass Poaceae MA No Grass-like plants True grasses
Glyceria melicaria northeastern manna grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Glyceria obtusa Atlantic manna grass Poaceae CT MA ME NH RI Yes Grass-like plants True grasses
Glyceria septentrionalis floating manna grass Poaceae CT MA ME NH RI VT Yes Grass-like plants; Aquatic plants True grasses; Water plants with leaves and stems
Glyceria striata fowl manna grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Glycine max soybean Fabaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Glycyrrhiza lepidota American licorice Fabaceae CT MA ME RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Gnaphalium uliginosum brown cudweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Gomphrena globosa common globe-amaranth Amaranthaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Goodyera oblongifolia giant rattlesnake-plantain Orchidaceae ME VT Yes Orchids and related plants Orchids
Goodyera pubescens downy rattlesnake-plantain Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Goodyera repens dwarf rattlesnake-plantain Orchidaceae CT MA ME NH VT Yes Orchids and related plants Orchids
Goodyera tesselata checkered rattlesnake-plantain Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Gossypium hirsutum upland cotton Malvaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Graphephorum melicoides graphephorum Poaceae ME NH VT Yes Grass-like plants True grasses
Gratiola aurea golden hedge-hyssop Plantaginaceae CT MA ME NH RI VT Yes Aquatic plants; All other flowering non-woody plants Water plants with leaves and stems; Other herbaceous, flowering plants with opposite, whorled or no leaves
Gratiola neglecta clammy hedge-hyssop Plantaginaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gratiola virginiana round-fruited hedge-hyssop Plantaginaceae RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Grindelia hirsutula hairy gum-weed Asteraceae CT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Grindelia squarrosa curly-top gum-weed Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Guizotia abyssinica niger-seed Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Gymnadenia conopsea fragrant orchid Orchidaceae CT No Orchids and related plants Orchids
Gymnocarpium dryopteris northern oak fern Woodsiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Gymnocarpium jessoense Nahanni oak fern Woodsiaceae VT Yes Ferns True ferns and moonworts
Gymnocladus dioicus Kentucky coffee-tree Fabaceae CT MA ME Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Gypsophila elegans showy baby's-breath Caryophyllaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gypsophila muralis low baby's-breath Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gypsophila paniculata tall baby's-breath Caryophyllaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Gypsophila scorzonerifolia glandular baby's-breath Caryophyllaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hackelia deflexa nodding stickseed Boraginaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hackelia virginiana Virginia stickseed Boraginaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Halenia deflexa American spurred-gentian Gentianaceae MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Halesia carolina Carolina silverbell Styracaceae CT MA RI Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Hamamelis virginiana American witch-hazel Hamamelidaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Harrimanella hypnoides moss-plant Ericaceae ME NH Yes All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with alternate leaves; Broad-leaved woody plants
Hedeoma hispida rough false pennyroyal Lamiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hedeoma pulegioides American false pennyroyal Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hedera helix English-ivy Apiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hedysarum alpinum alpine sweet-vetch Fabaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Helanthium tenellum dwarf burhead Alismataceae CT MA Yes Orchids and related plants Irises, lilies, and other "monocots"
Helenium amarum narrow-leaved sneezeweed Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helenium autumnale fall sneezeweed Asteraceae CT MA ME RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helenium flexuosum purple-headed sneezeweed Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus annuus common sunflower Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus debilis weak sunflower Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus decapetalus thin-leaved sunflower Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus divaricatus woodland sunflower Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus giganteus tall sunflower Asteraceae CT MA ME VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus grosseserratus saw-toothed sunflower Asteraceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus hirsutus hairy sunflower Asteraceae CT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus maximiliani Maximilian's sunflower Asteraceae CT MA ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus microcephalus small-headed sunflower Asteraceae CT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus mollis ashy sunflower Asteraceae CT MA ME RI Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus occidentalis naked-stemmed sunflower Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus pauciflorus stiff sunflower Asteraceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus petiolaris prairie sunflower Asteraceae CT MA ME VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus strumosus pale-leaved sunflower Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Helianthus tuberosus tuberous sunflower Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Heliomeris multiflora showy false goldeneye Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Heliopsis helianthoides sunflower-everlasting Asteraceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Heliotropium amplexicaule clasping heliotrope Boraginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Heliotropium curassavicum seaside heliotrope Boraginaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Heliotropium europaeum European heliotrope Boraginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Heliotropium indicum Indian heliotrope Boraginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Helminthotheca echioides bristly ox-tongue Asteraceae CT MA ME VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hemerocallis fulva orange day-lily Hemerocallidaceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Hemerocallis lilioasphodelus yellow day-lily Hemerocallidaceae CT MA ME RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Heracleum mantegazzianum giant cow-parsnip Apiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Heracleum maximum American cow-parsnip Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Heracleum sphondylium European cow-parsnip Apiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Herniaria glabra smooth rupturewort Caryophyllaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Herniaria hirsuta hairy rupturewort Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hesperis matronalis dame's-rocket Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Heteranthera dubia grass-leaved mud-plantain Pontederiaceae CT MA ME NH VT Yes Aquatic plants; Orchids and related plants Water plants with leaves and stems; Irises, lilies, and other "monocots"
Heteranthera reniformis kidney-leaved mud-plantain Pontederiaceae CT Yes Orchids and related plants Irises, lilies, and other "monocots"
Heterosperma pinnatum wingpetal Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Heterotheca subaxillaris camphor false golden-aster Asteraceae CT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Heuchera americana common alum-root Saxifragaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hibiscus moscheutos swamp rose-mallow Malvaceae CT MA NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hibiscus syriacus shrubby rose-mallow Malvaceae CT No Woody Plants Broad-leaved woody plants
Hibiscus trionum Venice rose-mallow Malvaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hieracium aurantiacum orange hawkweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium caespitosum yellow hawkweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium flagellare whip hawkweed Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium gronovii beaked hawkweed Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium kalmii Canada hawkweed Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium lachenalii common hawkweed Asteraceae CT MA ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium maculatum spotted hawkweed Asteraceae MA ME VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium murorum wall hawkweed Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium paniculatum panicled hawkweed Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium pilosella mouse-ear hawkweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium piloselloides glaucous hawkweed Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium praealtum tall hawkweed Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium robinsonii Robinson's hawkweed Asteraceae ME NH Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium sabaudum Savoy hawkweed Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium scabrum rough hawkweed Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium umbellatum narrow-leaved hawkweed Asteraceae NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hieracium venosum rattlesnake hawkweed Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hippuris vulgaris common mare's-tail Plantaginaceae MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Holcus lanatus common velvet grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Holcus mollis creeping velvet grass Poaceae MA VT No Grass-like plants True grasses
Holosteum umbellatum jagged-chickweed Caryophyllaceae CT MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Honckenya peploides seaside-sandwort Caryophyllaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hordeum brachyantherum meadow barley Poaceae MA NH Yes and no (some introduced) Grass-like plants True grasses
Hordeum jubatum fox-tail barley Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Hordeum murinum mouse barley Poaceae CT MA ME No Grass-like plants True grasses
Hordeum pusillum little barley Poaceae CT MA ME NH Yes and no (some introduced) Grass-like plants True grasses
Hordeum vulgare common barley Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Hosta lancifolia narrow-leaved plantain-lily Hostaceae CT No Orchids and related plants Irises, lilies, and other "monocots"
Hosta ventricosa blue plantain-lily Hostaceae CT MA NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Hottonia inflata American featherfoil Primulaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Houstonia caerulea little bluet Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Houstonia longifolia long-leaved bluet Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Houstonia purpurea large bluet Rubiaceae CT MA ME RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hudsonia ericoides pine-barren false heather Cistaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hudsonia tomentosa sand false heather, woolly beach-heather Cistaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Humulus japonicus Japanese hop Cannabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Humulus lupulus common hop, hops Cannabaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Huperzia appressa mountain firmoss Huperziaceae MA ME NH VT Yes Ferns Clubmosses and relatives, plus quillworts
Huperzia lucidula shining firmoss Huperziaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Huperzia selago northern firmoss Huperziaceae CT MA ME NH VT Yes Ferns Clubmosses and relatives, plus quillworts
Hybanthus concolor green-violet Violaceae CT VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hydrangea arborescens American hydrangea Hydrangeaceae CT MA VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Hydrangea cinerea ashy hydrangea Hydrangeaceae MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Hydrangea paniculata panicled hydrangea Hydrangeaceae CT MA ME NH RI No Woody Plants Broad-leaved woody plants
Hydrangea quercifolia oak-leaved hydrangea Hydrangeaceae CT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Hydrastis canadensis goldenseal Ranunculaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hydrilla verticillata water-thyme Hydrocharitaceae CT MA ME No Aquatic plants Water plants with leaves and stems
Hydrocharis morsus-ranae European frog's-bit Hydrocharitaceae ME VT No Aquatic plants; Orchids and related plants Water plants with leaves and stems; Irises, lilies, and other "monocots"
Hydrocotyle americana American marsh-pennywort Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hydrocotyle umbellata many-flowered marsh-pennywort Apiaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hydrocotyle verticillata whorled marsh-pennywort Apiaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hydrophyllum canadense blunt-leaved waterleaf Boraginaceae MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hydrophyllum virginianum eastern waterleaf Boraginaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hylodesmum glutinosum pointed-leaved tick-trefoil Fabaceae Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hylodesmum nudiflorum naked tick-trefoil Fabaceae Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hylotelephium erythrostictum garden orpine Crassulaceae MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hylotelephium spectabile showy orpine Crassulaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hylotelephium telephium purple orpine, sedum Crassulaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hymenoxys odorata poison rubberweed Asteraceae ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hyoscyamus niger black henbane Solanaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hypericum adpressum creeping St. John's-wort Hypericaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum ascyron great St. John's-wort Hypericaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum boreale northern St. John's-wort Hypericaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Water plants with leaves and stems
Hypericum canadense lesser St. John's-wort Hypericaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum densiflorum bushy St. John's-wort Hypericaceae MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Hypericum dolabriforme straggling St. John's-wort Hypericaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum ellipticum pale St. John's-wort Hypericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum frondosum cedar glade St. John's-wort Hypericaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Hypericum gentianoides orange-grass St. John's-wort Hypericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum majus greater Canada St. John's-wort Hypericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum mutilum dwarf St. John's-wort Hypericaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum perforatum common St. John's-wort Hypericaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum prolificum shrubby St. John's-wort Hypericaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Hypericum punctatum spotted St. John's-wort Hypericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Hypericum stragulum multi-stemmed St. John's-wort, St. Andrew's cross Hypericaceae MA Yes Woody Plants Broad-leaved woody plants
Hypochaeris glabra smooth cat's-ear Asteraceae MA ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hypochaeris radicata hairy cat's-ear Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Hypopitys lanuginosa hairy pine-sap Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hypopitys monotropa yellow pine-sap Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Hypoxis hirsuta common star-grass Hypoxidaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Hyssopus officinalis hyssop Lamiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Iberis amara rocket candytuft Brassicaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Iberis sempervirens edging candytuft Brassicaceae NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Iberis umbellata globe candytuft Brassicaceae CT ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ilex aquifolium English holly Aquifoliaceae MA No Woody Plants Broad-leaved woody plants
Ilex crenata Japanese holly Aquifoliaceae MA No Woody Plants Broad-leaved woody plants
Ilex glabra evergreen winterberry, inkberry Aquifoliaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Ilex laevigata smooth winterberry Aquifoliaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ilex montana big-leaved holly Aquifoliaceae CT MA Yes Woody Plants Broad-leaved woody plants
Ilex mucronata mountain holly Aquifoliaceae Yes Woody Plants Broad-leaved woody plants
Ilex opaca American holly Aquifoliaceae CT MA RI Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Ilex verticillata common winterberry Aquifoliaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Illecebrum verticillatum coral necklace Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Impatiens capensis jewelweed, spotted touch-me-not Balsaminaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Impatiens glandulifera Himalayan balsam, Himalayan touch-me-not, ornamental jewelweed Balsaminaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Impatiens pallida pale jewelweed, pale touch-me-not Balsaminaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Inula helenium horse yellowhead Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Inula salicina willow-leaved yellowhead Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ionactis linariifolia flax-leaved stiff-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ipomoea coccinea red morning-glory Convolvulaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ipomoea hederacea ivy-leaved morning-glory Convolvulaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ipomoea hederifolia scarlet morning-glory Convolvulaceae MA VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ipomoea lacunosa white morning-glory Convolvulaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ipomoea pandurata wild sweet potato morning-glory Convolvulaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ipomoea purpurea common morning-glory Convolvulaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ipomoea quamoclit Cypress-vine morning-glory Convolvulaceae VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ipomoea tricolor granny morning-glory Convolvulaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ipomopsis rubra standing-cypress skyrocket Polemoniaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Iris cristata crested iris Iridaceae MA Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Iris domestica blackberry-lily Iridaceae CT No Orchids and related plants Irises, lilies, and other "monocots"
Iris ensata Russian iris Iridaceae CT VT No Orchids and related plants Irises, lilies, and other "monocots"
Iris germanica German iris Iridaceae CT MA ME No Orchids and related plants Irises, lilies, and other "monocots"
Iris hookeri beach-head iris Iridaceae ME Yes Orchids and related plants Irises, lilies, and other "monocots"
Iris prismatica slender blue iris Iridaceae CT MA ME NH RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Iris pseudacorus yellow iris Iridaceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Iris pumila dwarf iris Iridaceae ME No Orchids and related plants Irises, lilies, and other "monocots"
Iris sibirica Siberian iris Iridaceae CT MA NH VT No Orchids and related plants Irises, lilies, and other "monocots"
Iris tectorum wall iris Iridaceae NH No Orchids and related plants Irises, lilies, and other "monocots"
Iris versicolor blue iris Iridaceae CT MA ME NH RI VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Isoetes acadiensis Acadian quillwort Isoetaceae CT MA ME NH Yes Ferns; Aquatic plants Clubmosses and relatives, plus quillworts; Water plants with leaves and stems
Isoetes echinospora spiny-spored quillwort Isoetaceae CT MA ME NH RI VT Yes Aquatic plants; Ferns Water plants with leaves and stems; Clubmosses and relatives, plus quillworts
Isoetes engelmannii Engelmann's quillwort Isoetaceae CT MA ME NH RI VT Yes Aquatic plants; Ferns Water plants with leaves and stems; Clubmosses and relatives, plus quillworts
Isoetes hieroglyphica carved quillwort Isoetaceae ME Yes Ferns; Aquatic plants Clubmosses and relatives, plus quillworts; Water plants with leaves and stems
Isoetes lacustris lake quillwort Isoetaceae CT MA ME NH VT Yes Aquatic plants; Ferns Water plants with leaves and stems; Clubmosses and relatives, plus quillworts
Isoetes prototypus prototype quillwort Isoetaceae ME Yes Ferns; Aquatic plants Clubmosses and relatives, plus quillworts; Water plants with leaves and stems
Isoetes riparia Canada shore quillwort Isoetaceae CT MA ME NH RI VT Yes Ferns; Aquatic plants Clubmosses and relatives, plus quillworts; Water plants with leaves and stems
Isoetes tuckermanii Tuckerman's quillwort Isoetaceae CT MA ME NH RI VT Yes Aquatic plants; Ferns Water plants with leaves and stems; Clubmosses and relatives, plus quillworts
Isotrema macrophyllum large-leaved Dutchman's pipe Aristolochiaceae CT MA ME NH VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Isotrema tomentosum woolly Dutchman's pipe Aristolochiaceae MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Isotria medeoloides small whorled pogonia Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Isotria verticillata large whorled pogonia Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Iva annua rough marsh-elder Asteraceae MA ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Iva frutescens maritime marsh-elder Asteraceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Jacobaea vulgaris tansy ragwort Asteraceae MA ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Jasione montana sheepbit Campanulaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Juglans ailantifolia Japanese walnut Juglandaceae CT MA RI No Woody Plants Broad-leaved woody plants
Juglans cinerea butternut, white walnut Juglandaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Juglans nigra black walnut Juglandaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Juncus acuminatus sharp-fruited rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus alpinoarticulatus northern green rush Juncaceae ME NH VT Yes Grass-like plants All other grass-like plants
Juncus ambiguus seaside toad rush Juncaceae CT MA ME Yes Grass-like plants All other grass-like plants
Juncus anthelatus Wiegand's rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus articulatus joint-leaved rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus balticus Baltic rush Juncaceae MA ME NH VT Yes Grass-like plants All other grass-like plants
Juncus biflorus large grass-leaved rush Juncaceae MA Yes Grass-like plants All other grass-like plants
Juncus brachycarpus white-root rush Juncaceae CT MA RI Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus brachycephalus small-headed rush Juncaceae CT MA ME NH VT Yes Grass-like plants All other grass-like plants
Juncus brevicaudatus short-tailed rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus bufonius toad rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus canadensis Canada rush Juncaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus compressus round-fruited rush Juncaceae ME VT No Grass-like plants All other grass-like plants
Juncus conglomeratus bunch-flowered soft rush Juncaceae MA ME NH RI No Grass-like plants All other grass-like plants
Juncus debilis weak rush Juncaceae CT MA RI Yes Grass-like plants All other grass-like plants
Juncus dichotomus forked rush Juncaceae CT MA ME NH RI Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus diffusissimus slim-fruited rush Juncaceae CT MA Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus dudleyi Dudley's rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus effusus common soft rush Juncaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus ensifolius sword-leaved rush Juncaceae NH RI VT Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus filiformis thread rush Juncaceae MA ME NH VT Yes Grass-like plants All other grass-like plants
Juncus gerardii saltmarsh rush Juncaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus greenei Greene's rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus inflexus European meadow rush Juncaceae MA No Grass-like plants All other grass-like plants
Juncus marginatus grass-leaved rush Juncaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus militaris bayonet rush Juncaceae CT MA ME NH RI VT Yes Aquatic plants; Grass-like plants Water plants with leaves and stems; All other grass-like plants
Juncus nodosus knotted rush Juncaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus pelocarpus brown-fruited rush Juncaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus pervetus blunt-flower rush Juncaceae MA Yes Grass-like plants All other grass-like plants
Juncus pylaei Pylaei's soft rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus secundus lopsided rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus stygius moor rush Juncaceae ME NH Yes Grass-like plants All other grass-like plants
Juncus subcaudatus somewhat-tailed rush Juncaceae CT VT Yes Grass-like plants All other grass-like plants
Juncus subtilis greater creeping rush Juncaceae ME Yes Grass-like plants All other grass-like plants
Juncus tenuis path rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Juncus torreyi Torrey's rush Juncaceae MA ME VT Yes and no (some introduced) Grass-like plants All other grass-like plants
Juncus trifidus highland rush Juncaceae ME NH VT Yes Grass-like plants All other grass-like plants
Juncus vaseyi Vasey's rush Juncaceae ME VT Yes Grass-like plants All other grass-like plants
Juniperus communis common juniper Cupressaceae CT MA ME NH RI VT Yes Woody Plants Needle-leaved woody plants
Juniperus horizontalis creeping juniper Cupressaceae MA ME NH RI VT Yes Woody Plants Needle-leaved woody plants
Juniperus virginiana eastern red cedar Cupressaceae CT MA ME NH RI VT Yes Woody Plants Needle-leaved woody plants
Justicia americana American water-willow Acanthaceae VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Kalmia angustifolia sheep American-laurel, sheep-laurel Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Kalmia latifolia mountain American-laurel, mountain laurel Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Kalmia polifolia bog American-laurel, bog laurel Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Kalmia procumbens Alpine-azalea Ericaceae ME NH Yes Woody Plants Broad-leaved woody plants
Kalopanax septemlobus castor-aralia Apiaceae CT MA NH No Woody Plants Broad-leaved woody plants
Kerria japonica Japanese-rose Rosaceae CT NH RI No Woody Plants Broad-leaved woody plants
Kickxia elatine sharp-leaved cancerwort Plantaginaceae CT MA ME RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Kickxia spuria round-leaved cancerwort Plantaginaceae RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Knautia arvensis bluebuttons, field scabiosa Caprifoliaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Kochia scoparia summer-cypress Amaranthaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Koeleria macrantha prairie Koeler's grass Poaceae ME VT Yes and no (some introduced) Grass-like plants True grasses
Koelreuteria paniculata golden rain-tree Sapindaceae CT MA No Woody Plants Broad-leaved woody plants
Kolkwitzia amabilis beautybush Caprifoliaceae MA VT No Woody Plants Broad-leaved woody plants
Krigia biflora two-flowered dwarf-dandelion Asteraceae CT ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Krigia virginica Virginia dwarf-dandelion Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Kummerowia striata Japanese-clover Fabaceae CT MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Kyllinga gracillima pasture greenhead-sedge Cyperaceae CT MA No Grass-like plants All other grass-like plants
Laburnum anagyroides golden chain-tree Fabaceae MA No Woody Plants Broad-leaved woody plants
Lachnanthes caroliniana Carolina bloodroot Haemodoraceae CT MA RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Lactuca biennis tall blue lettuce Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lactuca canadensis tall lettuce Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lactuca hirsuta tall hairy lettuce Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lactuca sativa cultivated lettuce Asteraceae MA ME VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lactuca serriola prickly lettuce Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lagenaria siceraria bottle gourd, calabash Cucurbitaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lamium album white henbit Lamiaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lamium amplexicaule common henbit, henbit deadnettle Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lamium galeobdolon yellow henbit Lamiaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lamium maculatum spotted henbit Lamiaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lamium purpureum red henbit Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lamprocapnos spectabilis common bleeding-heart Papaveraceae CT ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Landoltia punctata spotted-duck-meal Araceae MA No Aquatic plants Tiny water plants with no true stem
Laportea canadensis Canada wood-nettle Urticaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lappula occidentalis flat-spined sheepburr Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lappula squarrosa bristly sheepburr Boraginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lapsana communis common nipplewort Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Larix decidua European larch Pinaceae CT MA ME NH RI VT No Woody Plants Needle-leaved woody plants
Larix laricina American larch Pinaceae CT MA ME NH RI VT Yes Woody Plants Needle-leaved woody plants
Lasthenia californica California goldfields Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lasthenia minor coastal goldfields Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lathyrus aphaca yellow vetchling Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus japonicus beach vetchling Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus latifolius everlasting vetchling Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus ochroleucus cream vetchling Fabaceae VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus odoratus sweet vetchling Fabaceae CT ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus palustris marsh vetchling Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus pratensis meadow vetchling Fabaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus sativus white vetchling Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus sylvestris narrow-leaved vetchling Fabaceae CT MA NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lathyrus tuberosus tuber vetchling Fabaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lavandula angustifolia English lavender Lamiaceae VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lavatera trimestris rose-mallow Malvaceae CT VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Layia platyglossa coastal tidytips Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lechea intermedia round-fruited pinweed Cistaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lechea maritima beach pinweed Cistaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lechea minor thyme-leaved pinweed Cistaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lechea mucronata hairy pinweed Cistaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lechea pulchella Leggett's pinweed Cistaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lechea tenuifolia narrow-leaved pinweed Cistaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Leersia oryzoides rice cut grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Leersia virginica white cut grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Lemna minor common duckweed Araceae CT MA ME NH RI VT Yes Aquatic plants Tiny water plants with no true stem
Lemna minuta least duckweed Araceae MA Yes Aquatic plants Tiny water plants with no true stem
Lemna perpusilla minute duckweed Araceae MA VT Yes Aquatic plants Tiny water plants with no true stem
Lemna trisulca ivy-leaved duckweed Araceae CT MA ME NH RI VT Yes Aquatic plants Tiny water plants with no true stem
Lemna turionifera turion duckweed Araceae CT MA RI VT Yes Aquatic plants Tiny water plants with no true stem
Lemna valdiviana pale duckweed Araceae CT MA NH RI Yes Aquatic plants Tiny water plants with no true stem
Lens culinaris lentil Fabaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Leontodon hispidus bristly hawkbit Asteraceae CT RI No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Leontodon saxatilis little hawkbit Asteraceae CT MA RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Leonurus cardiaca motherwort Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lepidium campestre field pepperweed Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium densiflorum prairie pepperweed Brassicaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium didymum lesser swine-cress Brassicaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium draba heart-podded pepperweed Brassicaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium heterophyllum variable-leaved pepperweed Brassicaceae MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium latifolium broad-leaved pepperweed Brassicaceae CT MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium perfoliatum clasping pepperweed Brassicaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium ruderale stinking pepperweed Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium sativum garden pepperweed Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium squamatum greater swine-cress Brassicaceae MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lepidium virginicum poor-man's pepperweed Brassicaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Leptochloa fusca bearded sprangletop Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Leptochloa panicea needle sprangletop Poaceae MA Yes and no (some introduced) Grass-like plants True grasses
Lespedeza angustifolia narrow-leaved bush-clover Fabaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza bicolor two-colored bush-clover Fabaceae CT MA VT No All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with alternate leaves; Broad-leaved woody plants
Lespedeza capitata round-headed bush-clover Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza cuneata Chinese bush-clover Fabaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza cyrtobotrya leafy bush-clover Fabaceae CT MA No All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with alternate leaves; Broad-leaved woody plants
Lespedeza frutescens violet bush-clover Fabaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza hirta hairy bush-clover Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza procumbens trailing bush-clover Fabaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza repens creeping bush-clover Fabaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza stuevei tall bush-clover Fabaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza thunbergii Thunberg's bush-clover Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza violacea wand bush-clover Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lespedeza virginica slender bush-clover Fabaceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Leucanthemella serotina giant-daisy Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Leucanthemum vulgare ox-eye daisy Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Leucojum aestivum summer snowflake Amaryllidaceae CT MA ME No Orchids and related plants Irises, lilies, and other "monocots"
Leucophysalis grandiflora large false ground-cherry Solanaceae VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Leucothoe fontanesiana fetterbush, highland dog-laurel Ericaceae MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Levisticum officinale garden lovage Apiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Leymus mollis American lyme grass Poaceae MA ME NH Yes and no (some introduced) Grass-like plants True grasses
Liatris novae-angliae northern blazing star Asteraceae Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Liatris pycnostachya thick-spiked blazing star Asteraceae MA ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Liatris spicata sessile-headed blazing star Asteraceae CT MA NH RI Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ligusticum scoticum Scotch wild lovage Apiaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ligustrum obtusifolium border privet Oleaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Ligustrum ovalifolium California privet Oleaceae CT MA RI No Woody Plants Broad-leaved woody plants
Ligustrum sinense Chinese privet Oleaceae CT MA RI No Woody Plants Broad-leaved woody plants
Ligustrum vulgare European privet Oleaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Lilaeopsis chinensis eastern grasswort Apiaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lilium canadense Canada lily Liliaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Lilium lancifolium lance-leaved tiger lily Liliaceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Lilium philadelphicum wood lily Liliaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Lilium superbum Turk's-cap lily Liliaceae CT MA NH RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Limnobium spongia American spongeplant Hydrocharitaceae Yes and no (some introduced) Aquatic plants; Orchids and related plants Water plants with leaves and stems; Irises, lilies, and other "monocots"
Limonium carolinianum Carolina sea-lavender Plumbaginaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Limosella australis Atlantic mudwort Scrophulariaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Linaria dalmatica Dalmatian toadflax Plantaginaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linaria genistifolia broom-leaved toadflax Plantaginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linaria maroccana Moroccan toadflax Plantaginaceae CT MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linaria pinifolia pine-needle toadflax Plantaginaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linaria repens striped toadflax Plantaginaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linaria spartea ballast toadflax Plantaginaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linaria vulgaris butter-and-eggs toadflax Plantaginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lindera benzoin northern spicebush Lauraceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Lindernia dubia yellow-seeded false pimpernel Linderniaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Linnaea borealis American twinflower Caprifoliaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Broad-leaved woody plants
Linum catharticum white flax Linaceae MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Linum intercursum sandplain yellow flax Linaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linum medium common yellow flax Linaceae CT MA ME RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linum perenne blue flax Linaceae ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linum radiola all-seed flax Linaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Linum striatum ridged yellow flax Linaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linum sulcatum grooved yellow flax Linaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linum usitatissimum cultivated flax Linaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Linum virginianum woodland yellow flax Linaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Liparis liliifolia lily-leaved wide-lipped orchid Orchidaceae CT MA RI VT Yes Orchids and related plants Orchids
Liparis loeselii Loesel's wide-lipped orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Lipocarpha micrantha small-flowered dwarf-bulrush Cyperaceae CT MA ME NH RI Yes Grass-like plants All other grass-like plants
Liquidambar styraciflua sweet-gum Altingiaceae CT MA Yes Woody Plants Broad-leaved woody plants
Liriodendron tulipifera tuliptree Magnoliaceae CT MA ME RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Lithospermum officinale European gromwell Boraginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Littorella americana American shoreweed Plantaginaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lobelia cardinalis cardinal-flower, red lobelia Campanulaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lobelia dortmanna water lobelia Campanulaceae CT MA ME NH RI VT Yes Aquatic plants; All other flowering non-woody plants Water plants with leaves and stems; Other herbaceous, flowering plants with alternate leaves
Lobelia inflata bladder-pod lobelia, indian-tobacco Campanulaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lobelia kalmii brook lobelia Campanulaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lobelia siphilitica blue lobelia, great lobelia Campanulaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lobelia spicata pale-spiked lobelia Campanulaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lobularia maritima sweet-alyssum Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Logfia minima little false cotton-rose Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Lolium multiflorum Italian rye grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Lolium perenne perennial rye grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Lolium temulentum darnel rye-grass, poison darnel Poaceae CT MA ME RI VT No Grass-like plants True grasses
Lomatogonium rotatum marsh-felwort Gentianaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lonicera canadensis American honeysuckle Caprifoliaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Lonicera dioica wild honeysuckle Caprifoliaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Lonicera hirsuta hairy honeysuckle Caprifoliaceae MA VT Yes Woody Plants Broad-leaved woody plants
Lonicera japonica Japanese honeysuckle Caprifoliaceae CT MA ME NH RI No Woody Plants Broad-leaved woody plants
Lonicera maackii Amur honeysuckle Caprifoliaceae CT MA NH RI No Woody Plants Broad-leaved woody plants
Lonicera morrowii Morrow's honeysuckle Caprifoliaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Lonicera oblongifolia swamp honeysuckle Caprifoliaceae ME VT Yes Woody Plants Broad-leaved woody plants
Lonicera periclymenum European honeysuckle Caprifoliaceae ME No Woody Plants Broad-leaved woody plants
Lonicera reticulata grape honeysuckle Caprifoliaceae MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Lonicera sempervirens trumpet honeysuckle Caprifoliaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Lonicera tatarica Tatarian honeysuckle Caprifoliaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Lonicera villosa mountain honeysuckle Caprifoliaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Lonicera xylosteum fly honeysuckle Caprifoliaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Lotus corniculatus garden bird's-foot-trefoil Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lotus unifoliatus American bird's-foot-trefoil Fabaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ludwigia alternifolia square-pod water-primrose Onagraceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ludwigia palustris common water-primrose Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Ludwigia polycarpa many-fruited water-primrose Onagraceae CT MA ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ludwigia sphaerocarpa round-pod water-primrose Onagraceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lunaria annua annual honesty Brassicaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lupinus perennis sundial lupine Fabaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lupinus polyphyllus blue lupine Fabaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Luzula acuminata hairy wood rush Juncaceae CT MA ME NH VT Yes Grass-like plants All other grass-like plants
Luzula bulbosa bulbous wood rush Juncaceae CT MA Yes Grass-like plants All other grass-like plants
Luzula campestris field wood rush Juncaceae CT MA No Grass-like plants All other grass-like plants
Luzula confusa northern wood rush Juncaceae ME NH Yes Grass-like plants All other grass-like plants
Luzula echinata hedgehog wood rush Juncaceae CT MA Yes Grass-like plants All other grass-like plants
Luzula luzuloides oak-forest wood rush Juncaceae CT MA ME VT No Grass-like plants All other grass-like plants
Luzula multiflora common wood rush Juncaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Luzula pallidula pale European wood rush Juncaceae VT No Grass-like plants All other grass-like plants
Luzula parviflora small-flowered wood rush Juncaceae MA ME NH VT Yes Grass-like plants All other grass-like plants
Luzula spicata spiked wood rush Juncaceae ME NH VT Yes Grass-like plants All other grass-like plants
Lychnis chalcedonica scarlet lychnis Caryophyllaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lychnis coronaria mullein lychnis Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lychnis flos-cuculi ragged robin lychnis Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lycium barbarum matrimony-vine Solanaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Lycium chinense Chinese matrimony-vine Solanaceae CT MA ME NH VT No Woody Plants Broad-leaved woody plants
Lycopodiella alopecuroides foxtail bog-clubmoss Lycopodiaceae CT MA ME RI Yes Ferns Clubmosses and relatives, plus quillworts
Lycopodiella appressa appressed bog-clubmoss, southern bog-clubmoss Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Lycopodiella inundata northern bog-clubmoss Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Lycopodium clavatum common clubmoss, running clubmoss Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Lycopodium lagopus one-cone clubmoss Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Lycopus americanus American water-horehound Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lycopus amplectens clasping water-horehound Lamiaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lycopus asper western water-horehound Lamiaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lycopus europaeus European water-horehound Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lycopus rubellus stalked water-horehound Lamiaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lycopus uniflorus northern water-horehound Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lycopus virginicus Virginia water-horehound Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lygodium palmatum American climbing fern Lygodiaceae CT MA NH RI VT Yes Ferns True ferns and moonworts
Lyonia ligustrina maleberry Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Lyonia mariana piedmont staggerbush Ericaceae CT RI Yes Woody Plants Broad-leaved woody plants
Lysimachia arvensis scarlet pimpernel Myrsinaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lysimachia borealis starflower Myrsinaceae Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lysimachia ciliata fringed yellow-loosestrife Myrsinaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lysimachia clethroides goose-neck yellow-loosestrife Myrsinaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lysimachia hybrida lowland yellow-loosestrife Myrsinaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lysimachia maritima sea-milkwort Myrsinaceae MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lysimachia minima chaffweed pimpernel Myrsinaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lysimachia nummularia creeping yellow-loosestrife Myrsinaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lysimachia punctata large yellow-loosestrife Myrsinaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lysimachia quadriflora four-flowered yellow-loosestrife Myrsinaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lysimachia quadrifolia whorled yellow-loosestrife Myrsinaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lysimachia terrestris swamp yellow-loosestrife Myrsinaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lysimachia thyrsiflora tufted yellow-loosestrife Myrsinaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lysimachia vulgaris garden yellow-loosestrife Myrsinaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Lythrum alatum winged loosestrife Lythraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lythrum hyssopifolia hyssop-leaved loosestrife Lythraceae MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lythrum junceum rose loosestrife Lythraceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lythrum lineare saltmarsh loosestrife Lythraceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lythrum salicaria purple loosestrife Lythraceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Lythrum virgatum European wand loosestrife Lythraceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Macleaya cordata plume-poppy Papaveraceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Maclura pomifera Osage-orange Moraceae CT MA RI Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Madia glomerata mountain tarplant Asteraceae CT ME VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Madia sativa Chile tarplant Asteraceae CT MA VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Magnolia acuminata cucumber-tree Magnoliaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Magnolia tripetala umbrella-tree Magnoliaceae CT MA RI Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Magnolia virginiana sweet-bay Magnoliaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Maianthemum canadense Canada-mayflower Ruscaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Maianthemum racemosum feathery false Solomon's-seal Ruscaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Maianthemum stellatum star-like false Solomon's-seal Ruscaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Maianthemum trifolium three-leaved false Solomon's-seal Ruscaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Malaxis bayardii Bayard's adder's-mouth Orchidaceae CT MA RI Yes Orchids and related plants Orchids
Malaxis monophyllos white adder's-mouth Orchidaceae CT MA ME NH VT Yes Orchids and related plants Orchids
Malaxis unifolia green adder's-mouth Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Malus baccata Siberian crab apple Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Malus floribunda Japanese flowering crab apple Rosaceae CT MA No Woody Plants Broad-leaved woody plants
Malus prunifolia pear-leaved crab apple Rosaceae CT MA ME NH VT No Woody Plants Broad-leaved woody plants
Malus pumila cultivated apple Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Malus sieboldii Toringo crab apple Rosaceae CT MA VT No Woody Plants Broad-leaved woody plants
Malva alcea vervain mallow Malvaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Malva moschata musk mallow Malvaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Malva neglecta common mallow Malvaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Malva parviflora little mallow Malvaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Malva rotundifolia low mallow Malvaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Malvastrum coromandelianum three-lobed false mallow Malvaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Malva sylvestris high mallow Malvaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Malva verticillata whorled mallow Malvaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Marrubium vulgare white horehound Lamiaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Marsilea quadrifolia European water-clover Marsileaceae CT MA ME No Ferns; Aquatic plants True ferns and moonworts; Water plants with leaves and stems
Matricaria chamomilla wild chamomile Asteraceae CT MA ME RI No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Matricaria discoidea rayless chamomile Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Matteuccia struthiopteris fiddlehead fern, ostrich fern Onocleaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Mazus miquelii creeping mazus Phrymaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Mazus pumilus Japanese mazus Phrymaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medeola virginiana Indian cucumber root Liliaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Medicago arabica spotted medick Fabaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago disciformis veinless medick Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago falcata yellow medick Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago laciniata cut-leaved medick Fabaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago lupulina black medick Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago minima bur medick Fabaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago monantha single-flowered medick Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago polymorpha toothed medick Fabaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago praecox Mediterranean medick Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago rigidula Tifton medick Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Medicago sativa purple medick Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Melampyrum lineare cow-wheat Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Melilotus albus white sweet-clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Melilotus indicus Indian sweet-clover Fabaceae MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Melilotus officinalis yellow sweet-clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Melissa officinalis lemon-balm Lamiaceae CT MA RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Menispermum canadense Canada moonseed Menispermaceae CT MA NH VT Yes Woody Plants Broad-leaved woody plants
Mentha aquatica water mint Lamiaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mentha arvensis ginger mint Lamiaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mentha canadensis American wild mint Lamiaceae Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mentha longifolia horse mint Lamiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mentha spicata spearmint Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mentzelia oligosperma stickleaf mentzelia Loasaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Menyanthes trifoliata bog bean, buck-bean Menyanthaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Mercurialis annua annual mercury Euphorbiaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mertensia maritima seaside bluebells Boraginaceae MA ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Mertensia virginica eastern bluebells Boraginaceae MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Mibora minima early sand grass Poaceae MA No Grass-like plants True grasses
Micranthes foliolosa leafy stemmed saxifrage, naked-bulbil small-flowered-saxifrage Saxifragaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Micranthes pensylvanica swamp small-flowered-saxifrage Saxifragaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Micranthes virginiensis early small-flowered-saxifrage Saxifragaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Microseris douglasii Douglas' silverpuffs Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Microstegium vimineum Japanese stiltgrass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Mikania scandens climbing hempvine Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Milium effusum millet grass Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Mimulus alatus winged monkey-flower Phrymaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mimulus brevipes wide-throated monkey-flower Phrymaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mimulus guttatus seep muskflower Phrymaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mimulus moschatus common muskflower Phrymaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mimulus ringens Allegheny monkey-flower Phrymaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Minuartia caroliniana pine barren sandplant Caryophyllaceae RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Minuartia glabra Appalachian sandplant Caryophyllaceae CT ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Minuartia groenlandica Greenland stitchwort, mountain sandplant Caryophyllaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Minuartia marcescens serpentine sandplant Caryophyllaceae VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Minuartia michauxii Michaux's sandplant Caryophyllaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Minuartia rubella boreal sandplant Caryophyllaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mirabilis albida pale umbrella-wort Nyctaginaceae CT MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mirabilis hirsuta hairy umbrella-wort Nyctaginaceae CT MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mirabilis jalapa four o'clock umbrella-wort Nyctaginaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mirabilis linearis narrow-leaved umbrella-wort Nyctaginaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mirabilis nyctaginea heart-leaved umbrella-wort Nyctaginaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Miscanthus sacchariflorus Amur silvergrass Poaceae CT MA ME No Grass-like plants True grasses
Miscanthus sinensis Chinese silvergrass Poaceae CT MA NH RI No Grass-like plants True grasses
Misopates orontium lesser-snapdragon Plantaginaceae CT ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Mitchella repens partridge-berry Rubiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Broad-leaved woody plants
Mitella diphylla two-leaf mitrewort, two-leaved bishop's-cap Saxifragaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mitella nuda naked bishop's-cap, naked miterwort Saxifragaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Mitella prostrata prostrate bishop's-cap Saxifragaceae CT VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Modiola caroliniana Carolina bristle-mallow Malvaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Moehringia lateriflora blunt-leaved grove-sandwort Caryophyllaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Moehringia macrophylla large-leaved grove-sandwort Caryophyllaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Molinia caerulea purple moorgrass Poaceae CT MA ME RI VT No Grass-like plants True grasses
Mollugo verticillata green carpetweed Molluginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Momordica charantia bitter-melon Cucurbitaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Monarda clinopodia basil bee-balm Lamiaceae CT MA RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Monarda didyma scarlet bee-balm Lamiaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Monarda fistulosa wild bee-balm, wild bergamot Lamiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Monarda media purple bee-balm Lamiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Monarda punctata spotted bee-balm Lamiaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Moneses uniflora one-flowered-shinleaf, single delight Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Monolepis nuttalliana Nuttall's poverty-weed Amaranthaceae MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Monotropa uniflora one-flowered Indian-pipe Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Montia fontana water montia Portulacaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Montia linearis narrow-leaved montia Portulacaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Morella caroliniensis small bayberry Myricaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Morus alba white mulberry Moraceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Morus rubra red mulberry Moraceae CT MA RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Muhlenbergia alopecuroides bristly wolfstail Poaceae ME Yes and no (some introduced) Grass-like plants True grasses
Muhlenbergia capillaris hair-awned muhly Poaceae CT MA Yes Grass-like plants True grasses
Muhlenbergia frondosa wire-stemmed muhly Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Muhlenbergia glomerata spike muhly Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Muhlenbergia mexicana Mexican muhly Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Muhlenbergia racemosa marsh muhly Poaceae ME NH Yes and no (some introduced) Grass-like plants True grasses
Muhlenbergia richardsonis matted muhly Poaceae ME Yes Grass-like plants True grasses
Muhlenbergia schreberi nimblewill muhly Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Muhlenbergia sobolifera rock muhly Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Muhlenbergia sylvatica woodland muhly Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Muhlenbergia tenuiflora slender muhly Poaceae CT MA NH VT Yes Grass-like plants True grasses
Muhlenbergia uniflora bog muhly Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Mulgedium pulchellum Russia blue lettuce Asteraceae MA ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Muscari botryoides common grape-hyacinth Hyacinthaceae CT MA NH VT No Orchids and related plants Irises, lilies, and other "monocots"
Muscari neglectum starch grape-hyacinth Hyacinthaceae CT MA No Orchids and related plants Irises, lilies, and other "monocots"
Mycelis muralis wall-lettuce Asteraceae MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Myosotis arvensis field forget-me-not Boraginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Myosotis discolor yellow-and-blue forget-me-not Boraginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Myosotis laxa smaller forget-me-not Boraginaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Myosotis scorpioides water forget-me-not Boraginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Myosotis stricta blue forget-me-not Boraginaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Myosotis sylvatica woodland forget-me-not Boraginaceae MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Myosotis verna spring forget-me-not Boraginaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Myosoton aquaticum giant-chickweed Caryophyllaceae CT MA NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Myosurus minimus tiny mousetail Ranunculaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Myrica gale sweetgale Myricaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Myriophyllum alterniflorum alternate-flowered water-milfoil Haloragaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Myriophyllum aquaticum Parrot's-feather water-milfoil Haloragaceae CT MA No Aquatic plants Water plants with leaves and stems
Myriophyllum farwellii Farwell's water-milfoil Haloragaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Myriophyllum heterophyllum variable-leaved water-milfoil Haloragaceae CT MA ME NH RI VT Yes and no (some introduced) Aquatic plants Water plants with leaves and stems
Myriophyllum humile low water-milfoil Haloragaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Water plants with leaves and stems
Myriophyllum pinnatum cut-leaved water-milfoil Haloragaceae CT MA RI Yes and no (some introduced) Aquatic plants Water plants with leaves and stems
Myriophyllum sibiricum northern water-milfoil Haloragaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Myriophyllum spicatum Eurasian water-milfoil Haloragaceae CT MA ME NH VT No Aquatic plants Water plants with leaves and stems
Myriophyllum tenellum slender water-milfoil Haloragaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with alternate leaves; Water plants with leaves and stems
Myriophyllum verticillatum whorled water-milfoil Haloragaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Myrrhis odorata anise Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nabalus albus white rattlesnake-root Asteraceae CT MA ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Nabalus altissimus tall rattlesnake-root Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Nabalus boottii Boott's rattlesnake-root Asteraceae ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Nabalus racemosus glaucous rattlesnake-root Asteraceae ME VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Nabalus serpentarius lion's-foot rattlesnake-root Asteraceae CT MA NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Nabalus trifoliolatus three-leaved rattlesnake-root Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Najas flexilis nodding waternymph, wavy waternymph Hydrocharitaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Najas gracillima slender waternymph Hydrocharitaceae CT MA ME NH RI VT Yes and no (some introduced) Aquatic plants Water plants with leaves and stems
Najas guadalupensis Guadalupe waternymph Hydrocharitaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Najas minor brittle waternymph Hydrocharitaceae CT MA ME NH VT No Aquatic plants Water plants with leaves and stems
Napaea dioica glade-mallow Malvaceae ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Narcissus poeticus poet's daffodil Amaryllidaceae CT MA ME VT No Orchids and related plants Irises, lilies, and other "monocots"
Narcissus pseudonarcissus common daffodil Amaryllidaceae CT MA NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Nardus stricta doormat grass Poaceae MA NH VT No Grass-like plants True grasses
Nasturtium microphyllum one-rowed water-cress Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Water plants with leaves and stems
Nasturtium officinale nasturtium, two-rowed water-cress Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Water plants with leaves and stems
Navarretia leucocephala white-flowered pincushion-plant Polemoniaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nelumbo lutea American lotus Nelumbonaceae CT MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Neottia auriculata auricled twayblade Orchidaceae ME NH VT Yes Orchids and related plants Orchids
Neottia bifolia southern twayblade Orchidaceae MA VT Yes Orchids and related plants Orchids
Neottia convallarioides broad-leaved twayblade Orchidaceae ME NH VT Yes Orchids and related plants Orchids
Neottia cordata heart-leaved twayblade Orchidaceae MA ME NH RI VT Yes Orchids and related plants Orchids
Nepeta cataria catnip Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Neslia paniculata yellow ball-mustard Brassicaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nicandra physalodes apple-of-Peru Solanaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nicotiana alata Jasmine tobacco Solanaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nicotiana langsdorffii flowering tobacco Solanaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nicotiana longiflora long-flowered tobacco Solanaceae CT NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nicotiana quadrivalvis Indian tobacco Solanaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nicotiana rustica Aztec tobacco Solanaceae CT MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nicotiana tabacum cultivated tobacco Solanaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nigella damascena devil-in-the-bush Ranunculaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nigella sativa black-cumin Ranunculaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nipponanthemum nipponicum Nippon-daisy Asteraceae CT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Nonea rosea rose monk's-wort Boraginaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nuphar advena immigrant pond-lily Nymphaeaceae CT MA ME Yes Aquatic plants Water plants with leaves and stems
Nuphar microphylla small-leaved pond-lily Nymphaeaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Nuphar variegata bullhead pond-lily, yellow pond-lily Nymphaeaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Nuttallanthus canadensis oldfield-toadflax Plantaginaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Nymphaea leibergii dwarf water-lily Nymphaeaceae ME VT Yes Aquatic plants Water plants with leaves and stems
Nymphaea odorata white water-lily Nymphaeaceae CT MA ME NH RI VT Yes and no (some introduced) Aquatic plants Water plants with leaves and stems
Nymphaea tuberosa tuberous water-lily Nymphaeaceae CT MA ME NH VT Yes and no (some introduced) Aquatic plants Water plants with leaves and stems
Nymphoides cordata little floating-heart Menyanthaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Nymphoides peltata yellow floating-heart Menyanthaceae CT MA RI VT No Aquatic plants Water plants with leaves and stems
Nyssa sylvatica black-gum, black tupelo Cornaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ocimum basilicum sweet basil Lamiaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Oclemena acuminata sharp-toothed nodding-aster, whorled aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Oclemena nemoralis bog aster, bog nodding-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Odontites vernus red false bartsia Orobanchaceae MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Oenothera biennis common evening-primrose Onagraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera curtiflora small-flowered bee-blossom Onagraceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera filiformis bee-blossom Onagraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera fruticosa narrow-leaved evening-primrose Onagraceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera gaura biennial bee-blossom Onagraceae CT MA VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera glazioviana garden evening-primrose Onagraceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera grandiflora large-flowered evening-primrose Onagraceae CT VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera laciniata cut-leaved evening-primrose Onagraceae CT MA ME RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera nutans nodding evening-primrose Onagraceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera oakesiana Oakes' evening-primrose Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera parviflora small-flowered evening-primrose Onagraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera perennis little evening-primrose Onagraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera pilosella meadow evening-primrose Onagraceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera serrulata yellow evening-primrose Onagraceae VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oenothera villosa hairy evening-primrose Onagraceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oligoneuron album white flat-topped-goldenrod Asteraceae CT MA NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Oligoneuron rigidum stiff flat-topped-goldenrod Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Omalotheca supina alpine arctic-cudweed Asteraceae ME NH Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Omalotheca sylvatica woodland arctic-cudweed Asteraceae ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Onobrychis viciifolia Sanfoin Fabaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Onoclea sensibilis sensitive fern Onocleaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Onopordum acanthium Scotch cotton-thistle Asteraceae CT MA RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Onosmodium bejariense soft-haired false gromwell Boraginaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Onosmodium virginianum eastern false gromwell Boraginaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ophioglossum pusillum northern adder's-tongue fern Ophioglossaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Opuntia humifusa eastern prickly-pear Cactaceae CT MA NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Origanum majorana sweet marjoram Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Origanum vulgare wild marjoram Lamiaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Ornithogalum nutans nodding star-of-Bethlehem Hyacinthaceae CT No Orchids and related plants Irises, lilies, and other "monocots"
Ornithogalum umbellatum nap-at-noon Hyacinthaceae CT MA ME NH RI VT No Orchids and related plants Irises, lilies, and other "monocots"
Ornithopus sativus common bird's-foot Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Orobanche minor lesser broom-rape Orobanchaceae VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Orobanche uniflora one-flowered broom-rape Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Orontium aquaticum golden-club Araceae CT MA RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Orthilia secunda one-sided-shinleaf Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Oryzopsis asperifolia roughleaf ricegrass, white-grained rice grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Osmorhiza berteroi mountain sweet-cicely Apiaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Osmorhiza claytonii bland sweet-cicely Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Osmorhiza depauperata blunt-fruited sweet-cicely Apiaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Osmorhiza longistylis long-styled sweet-cicely Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Osmunda claytoniana interrupted fern Osmundaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Osmunda regalis royal fern Osmundaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Osmundastrum cinnamomeum cinnamon fern Osmundaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Ostrya virginiana hop-hornbeam Betulaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Othocallis siberica Siberian squill Hyacinthaceae MA NH No Orchids and related plants Irises, lilies, and other "monocots"
Oxalis corniculata creeping yellow wood sorrel Oxalidaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oxalis dillenii slender yellow wood sorrel Oxalidaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oxalis florida flowering yellow wood sorrel Oxalidaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oxalis intermedia West Indian wood sorrel Oxalidaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Oxalis montana northern wood sorrel Oxalidaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Oxalis stricta common yellow wood sorrel Oxalidaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oxalis violacea violet wood sorrel Oxalidaceae CT MA RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Oxyria digyna mountain-sorrel Polygonaceae NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Oxytropis campestris field oxytrope Fabaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pachysandra terminalis Japanese mountain-spurge, pachysandra Buxaceae CT MA NH No Woody Plants Broad-leaved woody plants
Packera aurea golden groundsel Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Packera obovata running groundsel Asteraceae CT MA NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Packera paupercula balsam groundsel Asteraceae CT MA ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Packera schweinitziana New England groundsel Asteraceae ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Paeonia lactiflora Chinese peony Paeoniaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Paeonia officinalis common peony Paeoniaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Palafoxia texana Texas palafox Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Panax quinquefolius American ginseng Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Panax trifolius dwarf ginseng Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Panicum amarum bitter panicgrass Poaceae CT MA RI Yes and no (some introduced) Grass-like plants True grasses
Panicum capillare witch panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Panicum dichotomiflorum fall panicgrass Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Panicum flexile wiry panicgrass Poaceae MA VT Yes Grass-like plants True grasses
Panicum miliaceum Proso millet Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Panicum philadelphicum Philadelphia panicgrass Poaceae CT MA NH RI VT Yes Grass-like plants True grasses
Panicum tuckermanii Tuckerman's panicgrass Poaceae CT MA ME RI VT Yes Grass-like plants True grasses
Panicum verrucosum warty panicgrass Poaceae CT MA RI Yes Grass-like plants True grasses
Panicum virgatum switch panicgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Papaver dubium long-podded poppy Papaveraceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Papaver rhoeas corn poppy Papaveraceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Papaver somniferum opium poppy Papaveraceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pappophorum vaginatum whiplash pappusgrass Poaceae ME Yes and no (some introduced) Grass-like plants True grasses
Parathelypteris noveboracensis New York fern Thelypteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Parathelypteris simulata Massachusetts fern Thelypteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Parietaria judaica spreading pellitory Urticaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Parietaria pensylvanica Pennsylvania pellitory Urticaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Parnassia glauca fen grass-of-Parnassus Parnassiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Paronychia argyrocoma silvery whitlow-wort Caryophyllaceae MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Paronychia canadensis smooth forked whitlow-wort Caryophyllaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Paronychia fastigiata hairy forked whitlow-wort Caryophyllaceae CT MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Parthenium hysterophorus Santa Maria feverfew Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Parthenium integrifolium wild feverfew Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Parthenocissus inserta thicket-creeper Vitaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Parthenocissus quinquefolia Virginia-creeper, woodbine Vitaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Parthenocissus tricuspidata Boston-ivy Vitaceae CT MA ME VT No Woody Plants Broad-leaved woody plants
Pascopyrum smithii western wheat grass Poaceae MA NH Yes and no (some introduced) Grass-like plants True grasses
Paspalum laeve field beadgrass Poaceae CT MA Yes and no (some introduced) Grass-like plants True grasses
Paspalum setaceum slender beadgrass Poaceae CT MA NH RI VT Yes Grass-like plants True grasses
Pastinaca sativa wild parsnip Apiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Paulownia tomentosa empress-tree, princess-tree Paulowniaceae CT MA RI No Woody Plants Broad-leaved woody plants
Pedicularis canadensis Canadian lousewort, forest lousewort Orobanchaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pedicularis furbishiae Furbish's lousewort Orobanchaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pedicularis lanceolata swamp lousewort Orobanchaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pellaea atropurpurea purple cliff-brake Pteridaceae CT MA NH RI VT Yes Ferns True ferns and moonworts
Pellaea glabella slender cliff-brake Pteridaceae CT VT Yes Ferns True ferns and moonworts
Peltandra virginica green arrow-arum Araceae CT MA ME NH RI VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Penstemon barbatus beard-lip beardtongue Plantaginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Penstemon calycosus long-sepaled beardtongue Plantaginaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Penstemon digitalis foxglove beardtongue Plantaginaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Penstemon grandiflorus large beardtongue Plantaginaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Penstemon hirsutus northeastern beardtongue Plantaginaceae CT MA ME RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Penstemon laevigatus eastern smooth beardtongue Plantaginaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Penstemon pallidus eastern white beardtongue Plantaginaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Penstemon tubiflorus tube beardtongue Plantaginaceae CT MA ME NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Penthorum sedoides ditch-stonecrop Penthoraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Perezia multiflora perezia Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Perilla frutescens perilla-mint Lamiaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Periploca graeca silkvine Apocynaceae CT RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Peritoma serrulata stinking bee-plant Cleomaceae CT MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria amphibia water smartweed Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria arifolia halberd-leaved smartweed Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria careyi Carey's smartweed Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria chinensis Chinese smartweed Polygonaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria coccinea scarlet smartweed Polygonaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria hydropiper water-pepper smartweed Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria hydropiperoides false water-pepper smartweed Polygonaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria lapathifolia dock-leaved smartweed Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria longiseta Oriental lady's-thumb smartweed Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria maculosa lady's-thumb smartweed Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria minor small smartweed Polygonaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria nepalensis Nepalese smartweed Polygonaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria orientalis prince's-feather smartweed Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria pensylvanica Pennsylvania smartweed Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria perfoliata Asiatic smartweed Polygonaceae CT MA NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria punctata dotted smartweed Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria puritanorum Puritan smartweed Polygonaceae MA ME RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria robustior stout dotted smartweed Polygonaceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria sagittata arrow-leaved tearthumb Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria setacea bristly smartweed Polygonaceae MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria virginiana jumpseed Polygonaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Persicaria wallichii garden smartweed Polygonaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Petasites frigidus northern sweet-coltsfoot Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Petasites hybridus butterbur sweet-coltsfoot Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Petasites japonicus Japanese sweet-coltsfoot Asteraceae ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Petrorhagia prolifera proliferous childing-pink Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Petrorhagia saxifraga saxifrage childing-pink Caryophyllaceae MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Petroselinum crispum parsley Apiaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Petunia axillaris garden petunia Solanaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Petunia integrifolia violet-flowered petunia Solanaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Peucedanum palustre milk-parsley Apiaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phacelia brachyloba yellow-throated scorpion-weed Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phacelia distans distant scorpion-weed Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phacelia egena rock scorpion-weed Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phacelia linearis thread-leaved scorpion-weed Boraginaceae CT ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phacelia minor wild scorpion-weed Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phacelia purshii purple scorpion-weed Boraginaceae CT RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phacelia tanacetifolia lacy scorpion-weed Boraginaceae MA ME NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phacelia viscida tacky scorpion-weed Boraginaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phalaris arundinacea reed canary grass Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Phalaris canariensis common canary grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Phaseolus coccineus scarlet bean Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phaseolus polystachios wild bean Fabaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phaseolus vulgaris kidney bean Fabaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phedimus spurius false stonecrop Crassulaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phedimus stoloniferus running false stonecrop Crassulaceae ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phegopteris connectilis long beech fern Thelypteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Phegopteris hexagonoptera broad beech fern Thelypteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Phellodendron amurense Amur corktree Rutaceae CT MA NH RI No Woody Plants Broad-leaved woody plants
Philadelphus coronarius sweet mock-orange Hydrangeaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Philadelphus inodorus scentless mock-orange Hydrangeaceae CT MA RI Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Philadelphus pubescens hoary mock-orange Hydrangeaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Phleum alpinum mountain Timothy Poaceae ME NH Yes Grass-like plants True grasses
Phleum arenarium sand Timothy Poaceae MA No Grass-like plants True grasses
Phleum pratense common Timothy Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Phleum subulatum Italian Timothy Poaceae MA No Grass-like plants True grasses
Phlox bifida sand phlox Polemoniaceae VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phlox divaricata wild blue phlox Polemoniaceae CT VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phlox drummondii annual phlox Polemoniaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Phlox latifolia mountain phlox Polemoniaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phlox maculata spotted phlox, wild sweet-William Polemoniaceae CT ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phlox paniculata garden phlox, summer phlox Polemoniaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phlox pilosa downy phlox Polemoniaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phlox stolonifera creeping phlox Polemoniaceae ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phlox subulata moss phlox Polemoniaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phragmites americanus American reed Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Phragmites australis common reed Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Phryma leptostachya American lop-seed Phrymaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phyllodoce caerulea purple mountain-heath Ericaceae ME NH Yes All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with alternate leaves; Broad-leaved woody plants
Phyllostachys dulcis sweet-shoot bamboo Poaceae CT MA No Grass-like plants True grasses
Physalis alkekengi strawberry ground-cherry Solanaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Physalis angulata cut-leaved ground-cherry Solanaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Physalis grisea downy ground-cherry Solanaceae CT MA ME RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Physalis heterophylla clammy ground-cherry Solanaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Physalis longifolia long-leaved ground-cherry Solanaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Physalis philadelphica Mexican ground-cherry Solanaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Physalis pubescens hairy ground-cherry Solanaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Physalis virginiana Virginia ground-cherry Solanaceae CT MA ME NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Physocarpus opulifolius Atlantic ninebark Rosaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Physostegia virginiana obedient false dragonhead Lamiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Phytolacca americana American pokeweed Phytolaccaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Picea abies Norway spruce Pinaceae CT MA ME NH RI VT No Woody Plants Needle-leaved woody plants
Picea glauca white spruce Pinaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Needle-leaved woody plants
Picea mariana black spruce Pinaceae CT MA ME NH RI VT Yes Woody Plants Needle-leaved woody plants
Picea rubens red spruce Pinaceae CT MA ME NH VT Yes Woody Plants Needle-leaved woody plants
Picris hieracioides hawkweed oxtongue Asteraceae CT MA ME VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Pieris floribunda mountain fetterbush Ericaceae MA VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Pilea fontana lesser clearweed Urticaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pilea pumila Canada clearweed Urticaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pimpinella anisum anise burnet-saxifrage Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pimpinella saxifraga solid-stemmed burnet-saxifrage Apiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pinguicula vulgaris violet butterwort Lentibulariaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pinus banksiana Jack pine Pinaceae MA ME NH RI VT Yes and no (some introduced) Woody Plants Needle-leaved woody plants
Pinus mugo Mugo pine Pinaceae MA NH No Woody Plants Needle-leaved woody plants
Pinus nigra Austrian pine Pinaceae MA ME No Woody Plants Needle-leaved woody plants
Pinus resinosa red pine Pinaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Needle-leaved woody plants
Pinus rigida pitch pine Pinaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Needle-leaved woody plants
Pinus strobus eastern white pine Pinaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Needle-leaved woody plants
Pinus sylvestris Scotch pine Pinaceae CT MA ME NH RI VT No Woody Plants Needle-leaved woody plants
Pinus thunbergii Japanese black pine Pinaceae MA No Woody Plants Needle-leaved woody plants
Piptatherum canadense Canada mountain-rice grass Poaceae ME NH Yes Grass-like plants True grasses
Piptatherum pungens short-awned mountain-rice grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Piptatherum racemosum black-seeded mountain-rice grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Piptochaetium avenaceum black-seeded spear grass Poaceae CT MA RI Yes Grass-like plants True grasses
Pisum sativum garden pea Fabaceae CT MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pityopsis falcata sickle-leaved golden-aster, sickle-leaved silk-grass Asteraceae CT MA RI Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Plagiobothrys reticulatus netted popcorn-flower Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Plagiobothrys trachycarpus rough-fruited popcorn-flower Boraginaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Plantago arenaria sand plantain Plantaginaceae No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago aristata bracted plantain Plantaginaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago coronopus buck's-horn plantain Plantaginaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago intermedia many-seeded plantain Plantaginaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago lanceolata English plantain Plantaginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago major common plantain Plantaginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago maritima seaside plantain Plantaginaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago media hoary plantain Plantaginaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago patagonica Pursh's plantain, Woolly plantain Plantaginaceae MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago pusilla dwarf plantain Plantaginaceae CT MA RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago rugelii Rugel's plantain Plantaginaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Plantago virginica pale-seeded plantain Plantaginaceae CT MA ME RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Platanthera aquilonis north wind bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera blephariglottis white-fringed bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera ciliaris orange fringed bog-orchid Orchidaceae CT MA RI Yes Orchids and related plants Orchids
Platanthera clavellata little club-spur bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera cristata crested orange bog-orchid Orchidaceae MA Yes Orchids and related plants Orchids
Platanthera dilatata white northern bog-orchid Orchidaceae MA ME NH VT Yes Orchids and related plants Orchids
Platanthera flava northern tubercled bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera grandiflora greater purple fringed bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera hookeri Hooker's bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera huronensis Lake Huron bog green orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera lacera green fringed bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera leucophaea eastern prairie white fringed bog-orchid Orchidaceae ME Yes Orchids and related plants Orchids
Platanthera macrophylla large-leaved bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera obtusata blunt-leaved bog-orchid Orchidaceae MA ME NH VT Yes Orchids and related plants Orchids
Platanthera orbiculata round-leaved bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanthera psycodes lesser purple fringed bog-orchid Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Platanus hybrida London sycamore Platanaceae MA No Woody Plants Broad-leaved woody plants
Platanus occidentalis American sycamore Platanaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Pluchea odorata sweet-scented camphorweed Asteraceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Poa alsodes grove blue grass Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Poa annua annual blue grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Poa bulbosa bulbous blue grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Poa chapmaniana Chapman's blue grass Poaceae MA Yes and no (some introduced) Grass-like plants True grasses
Poa compressa flat-stemmed blue grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Poa glauca glaucous blue grass Poaceae ME NH VT Yes Grass-like plants True grasses
Poa interior interior blue grass Poaceae VT Yes Grass-like plants True grasses
Poa laxa wavy blue grass Poaceae ME NH VT Yes Grass-like plants True grasses
Poa nemoralis wood blue grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Poa palustris fowl blue grass Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Poa pratensis Kentucky blue grass Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Poa saltuensis old-pasture blue grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Poa secunda curly blue grass Poaceae ME Yes and no (some introduced) Grass-like plants True grasses
Poa trivialis rough-sheathed blue grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Podophyllum peltatum mandrake, May-apple Berberidaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Podostemum ceratophyllum horn-leaved riverweed Podostemaceae CT MA ME NH RI VT Yes and no (some introduced) Aquatic plants Water plants with leaves and stems
Pogonia ophioglossoides rose pogonia Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Polanisia dodecandra red-whiskered clammyweed Cleomaceae CT MA NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polemonium caeruleum blue Jacob's-ladder Polemoniaceae CT ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polemonium micranthum annual Jacob's-ladder Polemoniaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polemonium reptans spreading Jacob's-ladder Polemoniaceae CT MA NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polemonium vanbruntiae bog Jacob's-ladder Polemoniaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polycarpon tetraphyllum four-leaved manyseed Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Polycnemum majus giant needle-leaf Amaranthaceae NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygala ambigua alternate milkwort Polygalaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygala cruciata drum-heads milkwort Polygalaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Polygala nuttallii Nuttall's milkwort Polygalaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygala paucifolia fringed milkwort, gaywings Polygalaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygala polygama racemed milkwort Polygalaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygala sanguinea blood milkwort, purple milkwort Polygalaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygala senega Seneca milkwort Polygalaceae CT MA ME RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygala verticillata whorled milkwort Polygalaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonatum biflorum King Solomon's-seal Ruscaceae CT MA ME NH VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Polygonatum latifolium broad-leaved Solomon's-seal Ruscaceae MA NH VT No Orchids and related plants Irises, lilies, and other "monocots"
Polygonatum pubescens hairy Solomon's-seal Ruscaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Polygonum achoreum leathery knotweed Polygonaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum arenarium European knotweed Polygonaceae RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum articulatum coastal jointed knotweed Polygonaceae Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum aviculare dooryard knotweed Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum bellardii Bellard's knotweed Polygonaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum buxiforme prairie knotweed Polygonaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum douglasii Douglas's knotweed Polygonaceae ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum erectum upright knotweed Polygonaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum fowleri Fowler's knotweed Polygonaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum glaucum seaside knotweed Polygonaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum oxyspermum sharp-fruited knotweed Polygonaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum ramosissimum yellow-flowered knotweed Polygonaceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polygonum tenue slender knotweed Polygonaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Polymnia canadensis white-flowered leaf-cup Asteraceae CT VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Polypodium appalachianum Appalachian polypody Polypodiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Polypodium virginianum rock polypody Polypodiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Polypogon monspeliensis annual rabbit's-foot grass Poaceae CT MA ME NH No Grass-like plants True grasses
Polypogon viridis beardless rabbit's-foot grass Poaceae CT No Grass-like plants True grasses
Polystichum acrostichoides Christmas fern Dryopteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Polystichum braunii Braun's holly fern Dryopteridaceae CT MA ME NH VT Yes and no (some introduced) Ferns True ferns and moonworts
Pontederia cordata pickerelweed Pontederiaceae CT MA ME NH RI VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Populus alba white poplar Salicaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Populus balsamifera balsam poplar Salicaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Populus deltoides eastern cottonwood, necklace poplar Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Populus grandidentata bigtooth aspen, big-toothed poplar Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Populus heterophylla swamp poplar Salicaceae CT MA RI Yes Woody Plants Broad-leaved woody plants
Populus nigra black poplar Salicaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Populus tremula European poplar Salicaceae MA No Woody Plants Broad-leaved woody plants
Populus tremuloides quaking aspen, quaking poplar Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Portulaca grandiflora cultivated purslane Portulacaceae CT MA NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Portulaca oleracea common purslane Portulacaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potamogeton alpinus alpine pondweed, reddish pondweed Potamogetonaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton amplifolius big-leaved pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton berchtoldii Berchtold's pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton bicupulatus snail-seed pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton confervoides alga-like pondweed, Tuckerman's pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton crispus curly pondweed Potamogetonaceae CT MA ME NH RI VT No Aquatic plants Water plants with leaves and stems
Potamogeton epihydrus ribbon-leaved pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton foliosus leafy pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton friesii flat-stalked pondweed Potamogetonaceae CT MA ME VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton gemmiparus budding pondweed Potamogetonaceae CT MA ME NH RI Yes Aquatic plants Water plants with leaves and stems
Potamogeton gramineus grassy pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton hillii Hill's pondweed Potamogetonaceae CT MA VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton illinoensis Illinois pondweed Potamogetonaceae CT MA VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton natans floating pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton nodosus long-leaved pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton oakesianus Oakes' pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton obtusifolius blunt-leaved pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton ogdenii Ogden's pondweed Potamogetonaceae CT MA VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton perfoliatus clasping-leaved pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton praelongus white-stemmed pondweed Potamogetonaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton pulcher spotted pondweed Potamogetonaceae CT MA ME NH RI Yes Aquatic plants Water plants with leaves and stems
Potamogeton pusillus small pondweed Potamogetonaceae CT MA ME VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton richardsonii Richardson's pondweed Potamogetonaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton robbinsii Robbins' pondweed Potamogetonaceae CT MA ME NH RI VT Yes and no (some introduced) Aquatic plants Water plants with leaves and stems
Potamogeton spirillus northern snail-seed pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton strictifolius straight-leaved pondweed Potamogetonaceae CT MA ME VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton vaseyi Vasey's pondweed Potamogetonaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Potamogeton zosteriformis flat-stem pondweed Potamogetonaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Potentilla alba white cinquefoil Rosaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Potentilla anglica English cinquefoil Rosaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla argentea silver-leaved cinquefoil Rosaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla canadensis dwarf cinquefoil Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla erecta erect cinquefoil Rosaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla gracilis graceful cinquefoil Rosaceae NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla inclinata ashy cinquefoil Rosaceae CT VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla indica Indian-strawberry Rosaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla intermedia downy cinquefoil Rosaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla litoralis coast cinquefoil Rosaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla norvegica Norwegian cinquefoil Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla pulcherrima soft cinquefoil Rosaceae NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla recta sulfur cinquefoil Rosaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla reptans creeping cinquefoil Rosaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla rivalis brook cinquefoil Rosaceae MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla robbinsiana Robbins' cinquefoil Rosaceae NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Potentilla simplex common cinquefoil, old-field cinquefoil Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Potentilla verna spring cinquefoil Rosaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Primula japonica Japanese primrose Primulaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Primula laurentiana bird's-eye primrose Primulaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Primula mistassinica Lake Mistassini primrose Primulaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Primula veris cowslip primrose Primulaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Proboscidea louisianica ram's-horn Pedaliaceae CT MA RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Proserpinaca palustris marsh mermaid-weed Haloragaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with alternate leaves; Water plants with leaves and stems
Proserpinaca pectinata comb-leaved mermaid-weed Haloragaceae CT MA ME NH RI Yes Aquatic plants; All other flowering non-woody plants Water plants with leaves and stems; Other herbaceous, flowering plants with alternate leaves
Prunella laciniata cut-leaved selfheal Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Prunella vulgaris common selfheal, heal-all Lamiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Prunus alleghaniensis Allegheny plum Rosaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Prunus americana American plum Rosaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Prunus avium sweet cherry Rosaceae CT MA ME RI No Woody Plants Broad-leaved woody plants
Prunus cerasifera cherry plum Rosaceae MA NH No Woody Plants Broad-leaved woody plants
Prunus cerasus sour cherry Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Prunus domestica European plum Rosaceae CT MA NH No Woody Plants Broad-leaved woody plants
Prunus hortulana Hortulan plum Rosaceae MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Prunus insititia Damson plum Rosaceae CT MA ME NH VT No Woody Plants Broad-leaved woody plants
Prunus mahaleb Mahaleb cherry Rosaceae CT MA No Woody Plants Broad-leaved woody plants
Prunus maritima beach plum Rosaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Prunus nigra Canada plum Rosaceae CT MA ME VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Prunus pensylvanica pin cherry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Prunus persica peach Rosaceae CT MA ME RI No Woody Plants Broad-leaved woody plants
Prunus pumila dwarf sand plum Rosaceae MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Prunus serotina black cherry Rosaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Prunus serrulata Japanese flowering cherry Rosaceae MA No Woody Plants Broad-leaved woody plants
Prunus spinosa blackthorn plum Rosaceae CT MA ME No Woody Plants Broad-leaved woody plants
Prunus susquehanae Appalachian sand plum Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Prunus virginiana choke cherry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Pseudabutilon stuckertii South American false velvetleaf Malvaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pseudognaphalium macounii Macoun's rabbit-tobacco Asteraceae CT MA ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Pseudognaphalium micradenium Weatherby's rabbit-tobacco Asteraceae MA ME NH Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Pseudognaphalium obtusifolium blunt-leaved rabbit-tobacco Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Pseudolycopodiella caroliniana slender false bog-clubmoss Lycopodiaceae MA Yes Ferns Clubmosses and relatives, plus quillworts
Pseudosasa japonica Japanese arrow bamboo Poaceae CT No Grass-like plants True grasses
Pseudotsuga menziesii coast Douglas-fir Pinaceae CT MA Yes and no (some introduced) Woody Plants Needle-leaved woody plants
Ptelea trifoliata common hoptree Rutaceae CT MA NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Pteridium aquilinum bracken fern Dennstaedtiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Pterospora andromedea pine-drops Ericaceae NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ptilimnium capillaceum Atlantic mock bishop-weed Apiaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Puccinellia distans spreading alkali grass Poaceae CT MA ME VT No Grass-like plants True grasses
Puccinellia fasciculata saltmarsh alkali grass Poaceae CT MA ME RI No Grass-like plants True grasses
Puccinellia maritima seaside alkali grass Poaceae CT MA ME NH RI No Grass-like plants True grasses
Puccinellia nuttalliana Nuttall's alkali grass Poaceae ME VT Yes and no (some introduced) Grass-like plants True grasses
Puccinellia pumila tundra alkali grass Poaceae CT MA ME NH RI Yes Grass-like plants True grasses
Pueraria montana kudzu Fabaceae CT MA No Woody Plants Broad-leaved woody plants
Pulmonaria saccharata Bethlehem lungwort Boraginaceae CT ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pycnanthemum incanum hoary mountain-mint Lamiaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pycnanthemum muticum broad-leaved mountain-mint, clustered mountain-mint Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pycnanthemum tenuifolium narrow-leaved mountain-mint Lamiaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pycnanthemum torrei Torrey's mountain-mint Lamiaceae CT NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pycnanthemum verticillatum whorled mountain-mint Lamiaceae CT MA RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pycnanthemum virginianum Virginia mountain-mint Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Pyrola americana American shinleaf, American wintergreen Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pyrola asarifolia pink shinleaf Ericaceae MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pyrola chlorantha green-flowered shinleaf Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pyrola elliptica elliptic-leaved shinleaf Ericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pyrola minor little shinleaf Ericaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Pyrus calleryana Bradford pear Rosaceae CT MA NH No Woody Plants Broad-leaved woody plants
Pyrus communis common pear Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Quercus alba eastern white oak Fagaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Quercus bicolor swamp white oak Fagaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Quercus cerris European turkey oak Fagaceae MA No Woody Plants Broad-leaved woody plants
Quercus coccinea scarlet oak Fagaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Quercus ilicifolia scrub oak Fagaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Quercus imbricaria shingle oak Fagaceae MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Quercus macrocarpa burr oak Fagaceae CT MA ME NH VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Quercus montana mountain chestnut oak Fagaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Quercus muehlenbergii chinkapin oak, yellow chestnut oak Fagaceae CT MA VT Yes Woody Plants Broad-leaved woody plants
Quercus palustris pin oak Fagaceae CT MA ME RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Quercus phellos willow oak Fagaceae CT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Quercus prinoides dwarf chestnut oak Fagaceae CT MA NH RI VT Yes Woody Plants Broad-leaved woody plants
Quercus robur English oak Fagaceae MA ME NH RI No Woody Plants Broad-leaved woody plants
Quercus rubra northern red oak Fagaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Quercus stellata post oak Fagaceae CT MA RI Yes Woody Plants Broad-leaved woody plants
Quercus velutina black oak Fagaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ranunculus abortivus kidney-leaved crowfoot, little-leaf buttercup Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus acris tall buttercup, tall crowfoot Ranunculaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus allegheniensis Allegheny crowfoot Ranunculaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus ambigens water-plantain crowfoot Ranunculaceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus aquatilis white water buttercup, white water crowfoot Ranunculaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Ranunculus bulbosus bulbous crowfoot, St. Anthony's turnip Ranunculaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus caricetorum swamp buttercup, swamp crowfoot Ranunculaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus cymbalaria seaside buttercup, seaside crowfoot Ranunculaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus fascicularis early crowfoot Ranunculaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Ranunculus flabellaris greater yellow water crowfoot, yellow water buttercup Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus flammula creeping crowfoot, creeping spearwort Ranunculaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus gmelinii lesser yellow water crowfoot Ranunculaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus hispidus hispid crowfoot Ranunculaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus micranthus small-flowered crowfoot Ranunculaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus pensylvanicus bristly crowfoot Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus recurvatus hooked buttercup, hooked crowfoot Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus repens creeping crowfoot, spot-leaved crowfoot Ranunculaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus rhomboideus prairie crowfoot Ranunculaceae MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus sardous hairy crowfoot Ranunculaceae RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ranunculus sceleratus cursed crowfoot Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Raphanus raphanistrum wild radish Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Raphanus sativus cultivated radish Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rapistrum rugosum annual bastard-cabbage Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ratibida columnifera prairie Mexican-hat Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Ratibida pinnata gray-headed Mexican-hat Asteraceae CT MA VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Reseda alba white upright mignonette Resedaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Reseda lutea yellow upright mignonette Resedaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Reseda luteola dyer's mignonette Resedaceae CT MA NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Reseda odorata garden mignonette Resedaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rhamnus alnifolia alder-leaved buckthorn Rhamnaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Rhamnus cathartica European buckthorn Rhamnaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Rhamnus davurica Dahurian buckthorn Rhamnaceae CT MA RI VT No Woody Plants Broad-leaved woody plants
Rhamnus utilis Chinese buckthorn Rhamnaceae CT No Woody Plants Broad-leaved woody plants
Rheum rhabarbarum garden rhubarb Polygonaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rhexia mariana Maryland meadow-beauty Melastomataceae MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Rhexia virginica Virginia meadow-beauty Melastomataceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Rhinanthus alectorolophus European yellow-rattle Orobanchaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Rhinanthus minor little yellow-rattle Orobanchaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Rhodiola rosea roseroot Crassulaceae CT ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rhododendron calendulaceum flame azalea Ericaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Rhododendron canadense Canada rosebay, rhodora Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rhododendron carolinianum Carolina rhododendron Ericaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Rhododendron catawbiense Catawba rosebay Ericaceae CT MA Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Rhododendron groenlandicum Labrador-tea Ericaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Rhododendron japonicum Japanese azalea Ericaceae CT No Woody Plants Broad-leaved woody plants
Rhododendron lapponicum Lapland rosebay Ericaceae ME NH Yes Woody Plants Broad-leaved woody plants
Rhododendron maximum great rosebay, rhododendron Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rhododendron periclymenoides pink azalea, pinxterbloom azalea Ericaceae CT MA NH RI VT Yes Woody Plants Broad-leaved woody plants
Rhododendron prinophyllum early azalea Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rhododendron vaseyi pink-shell azalea Ericaceae MA Yes Woody Plants Broad-leaved woody plants
Rhododendron viscosum clammy azalea Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rhodotypos scandens black jetbead Rosaceae CT MA No Woody Plants Broad-leaved woody plants
Rhus aromatica fragrant sumac Anacardiaceae CT MA NH VT Yes Woody Plants Broad-leaved woody plants
Rhus copallinum winged sumac Anacardiaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rhus glabra smooth sumac Anacardiaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rhus hirta staghorn sumac Anacardiaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rhynchospora alba white beaksedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Rhynchospora capillacea needle beaksedge Cyperaceae CT MA ME NH VT Yes Grass-like plants All other grass-like plants
Rhynchospora capitellata brownish beaksedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Rhynchospora fusca brown beaksedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Rhynchospora inundata narrow-fruited beaksedge Cyperaceae MA RI Yes Grass-like plants All other grass-like plants
Rhynchospora macrostachya tall beaksedge Cyperaceae CT MA ME RI Yes Grass-like plants All other grass-like plants
Rhynchospora nitens short-beaked beaksedge Cyperaceae MA Yes Grass-like plants All other grass-like plants
Rhynchospora scirpoides long-beaked beaksedge Cyperaceae CT MA RI Yes Grass-like plants All other grass-like plants
Rhynchospora torreyana Torrey's beaksedge Cyperaceae MA RI Yes Grass-like plants All other grass-like plants
Ribes americanum eastern black currant Grossulariaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ribes aureum golden currant Grossulariaceae CT MA VT Yes Woody Plants Broad-leaved woody plants
Ribes cynosbati eastern prickly gooseberry Grossulariaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Ribes glandulosum skunk currant Grossulariaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Ribes hirtellum hairy-stemmed gooseberry Grossulariaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ribes lacustre bristly swamp currant Grossulariaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Ribes missouriense Missouri gooseberry Grossulariaceae CT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Ribes nigrum garden black currant Grossulariaceae CT MA ME NH VT No Woody Plants Broad-leaved woody plants
Ribes rotundifolium Appalachian gooseberry Grossulariaceae CT MA Yes Woody Plants Broad-leaved woody plants
Ribes rubrum garden red currant Grossulariaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Ribes triste swamp red currant Grossulariaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ribes uva-crispa European gooseberry Grossulariaceae CT MA ME NH VT No Woody Plants Broad-leaved woody plants
Ricinus communis castor-bean Euphorbiaceae CT MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Robinia hispida bristly locust Fabaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Robinia pseudoacacia black locust Fabaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Robinia viscosa clammy locust Fabaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rorippa amphibia great yellow-cress Brassicaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rorippa aquatica lake yellow-cress Brassicaceae MA VT Yes Aquatic plants; All other flowering non-woody plants Water plants with leaves and stems; Other herbaceous, flowering plants with alternate leaves
Rorippa austriaca Austrian yellow-cress Brassicaceae CT NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rorippa globosa globe yellow-cress Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rorippa palustris common yellow-cress Brassicaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rorippa sessiliflora stalkless yellow-cress Brassicaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rorippa sylvestris creeping yellow-cress Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rosa acicularis bristly rose Rosaceae MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Rosa arkansana prairie rose Rosaceae MA ME NH VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Rosa blanda smooth rose Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Rosa canina dog rose Rosaceae CT MA ME RI VT No Woody Plants Broad-leaved woody plants
Rosa carolina Carolina rose Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rosa cinnamomea cinnamon rose Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Rosa gallica French rose Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Rosa glauca red-leaved rose Rosaceae MA ME No Woody Plants Broad-leaved woody plants
Rosa luciae memorial rose Rosaceae CT MA RI No Woody Plants Broad-leaved woody plants
Rosa micrantha small-flowered sweet-briar rose Rosaceae CT MA ME RI VT No Woody Plants Broad-leaved woody plants
Rosa mollis soft downy rose Rosaceae VT No Woody Plants Broad-leaved woody plants
Rosa multiflora rambler rose Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Rosa nitida shining rose Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Rosa palustris swamp rose Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rosa rubiginosa sweet-briar rose Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Rosa rugosa beach rose Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Rosa sempervirens evergreen rose Rosaceae MA No Woody Plants Broad-leaved woody plants
Rosa setigera climbing rose Rosaceae CT MA ME NH VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Rosa sherardii Sherard's downy rose Rosaceae VT No Woody Plants Broad-leaved woody plants
Rosa spinosissima Scotch rose Rosaceae CT MA ME NH VT No Woody Plants Broad-leaved woody plants
Rosa virginiana Virginia rose Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rotala ramosior toothcup Lythraceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Rubia tinctoria madder Rubiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Rubus allegheniensis common blackberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus arenicola sandy field blackberry Rosaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Rubus argutus southern blackberry Rosaceae CT MA RI Yes Woody Plants Broad-leaved woody plants
Rubus bifrons twice-leaved blackberry Rosaceae MA RI No Woody Plants Broad-leaved woody plants
Rubus canadensis smooth blackberry Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Rubus chamaemorus baked-apple-berry Rosaceae ME NH Yes
Rubus cuneifolius sand blackberry Rosaceae CT MA NH Yes Woody Plants Broad-leaved woody plants
Rubus dalibarda dewdrop Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Rubus discolor Himalayan blackberry Rosaceae MA No Woody Plants Broad-leaved woody plants
Rubus elegantulus showy blackberry Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Rubus enslenii Enslen's blackberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus flagellaris northern blackberry, northern dewberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus frondosus leafy-flowered blackberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus hispidus bristly blackberry, swamp dewberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus idaeus red raspberry Rosaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Rubus illecebrosus strawberry raspberry Rosaceae CT MA ME No Woody Plants Broad-leaved woody plants
Rubus jaysmithii Smith's blackberry Rosaceae CT MA NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus laciniatus cut-leaved blackberry Rosaceae CT MA No Woody Plants Broad-leaved woody plants
Rubus occidentalis black raspberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus odoratus flowering raspberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus parvifolius Japanese raspberry Rosaceae MA No Woody Plants Broad-leaved woody plants
Rubus pensilvanicus Pennsylvania blackberry Rosaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Rubus phoenicolasius wine raspberry Rosaceae CT MA RI VT No Woody Plants Broad-leaved woody plants
Rubus pubescens dwarf raspberry Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rubus recurvicaulis arching blackberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus semisetosus northeastern blackberry Rosaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Rubus setosus setose blackberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rubus vermontanus Vermont blackberry Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Rudbeckia bicolor pine-woods coneflower Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Rudbeckia fulgida showy coneflower Asteraceae CT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Rudbeckia hirta black-eyed coneflower, black-eyed susan Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Rudbeckia laciniata green-headed coneflower Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Rudbeckia subtomentosa sweet coneflower Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Rudbeckia triloba three-lobed coneflower Asteraceae CT MA VT All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Rumex acetosa common dock Polygonaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex acetosella common sheep sorrel, sheep dock Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex alpinus alpine dock Polygonaceae ME VT All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex altissimus pale dock Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex britannica greater water dock Polygonaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex crispus curly dock Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex hastatulus wild dock Polygonaceae MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex longifolius yard dock Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex maritimus golden dock Polygonaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex obtusifolius bitter dock Polygonaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex occidentalis western dock Polygonaceae MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex pallidus seabeach dock Polygonaceae MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex patientia patience dock Polygonaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex persicarioides American golden dock Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex pulcher fiddle dock Polygonaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex triangulivalvis white dock Polygonaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex verticillatus swamp dock Polygonaceae CT MA RI VT All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Rumex violascens violet dock Polygonaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ruppia maritima beaked ditch-grass, widgeongrass Ruppiaceae CT MA ME NH RI Yes Aquatic plants Water plants with leaves and stems
Ruta graveolens common rue Rutaceae CT RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sabatia angularis common rose-gentian Gentianaceae CT MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sabatia campanulata slender rose-gentian Gentianaceae MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sabatia campestris western rose-gentian Gentianaceae CT ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sabatia dodecandra perennial rose-gentian Gentianaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sabatia kennedyana Plymouth rose-gentian Gentianaceae MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sabatia stellaris annual rose-gentian, sea pink, sea pink Gentianaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sacciolepis striata American cup-scale Poaceae MA Yes and no (some introduced) Grass-like plants True grasses
Sagina decumbens trailing pearlwort Caryophyllaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sagina japonica Japanese pearlwort Caryophyllaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sagina maxima sticky-stemmed pearlwort Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sagina nodosa knotted pearlwort Caryophyllaceae MA ME NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sagina procumbens bird's-eye pearlwort Caryophyllaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sagittaria cuneata northern arrowhead Alismataceae CT MA ME NH VT Yes Orchids and related plants; Aquatic plants Irises, lilies, and other "monocots"; Water plants with leaves and stems
Sagittaria engelmanniana Engelmann's arrowhead Alismataceae CT MA RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sagittaria filiformis narrow-leaved arrowhead Alismataceae CT MA ME RI Yes Aquatic plants Water plants with leaves and stems
Sagittaria graminea grass-leaved arrowhead Alismataceae CT MA ME NH RI VT Yes Aquatic plants; Orchids and related plants Water plants with leaves and stems; Irises, lilies, and other "monocots"
Sagittaria latifolia common arrowhead Alismataceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sagittaria montevidensis spongy-leaved arrowhead Alismataceae CT MA ME NH Yes Orchids and related plants Irises, lilies, and other "monocots"
Sagittaria rigida sessile-fruited arrowhead Alismataceae CT MA ME NH RI VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Sagittaria subulata awl-leaved arrowhead Alismataceae CT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sagittaria teres quill-leaved arrowhead Alismataceae CT MA NH RI Yes Aquatic plants; Orchids and related plants Water plants with leaves and stems; Irises, lilies, and other "monocots"
Salicornia ambigua perennial glasswort Amaranthaceae CT MA NH RI Yes All other flowering non-woody plants; Woody Plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Broad-leaved woody plants
Salicornia bigelovii dwarf glasswort Amaranthaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salicornia depressa common glasswort Amaranthaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salicornia maritima sea glasswort Amaranthaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salix alba white willow Salicaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Salix amygdaloides peach-leaved willow Salicaceae VT Yes Woody Plants Broad-leaved woody plants
Salix arctophila northern willow Salicaceae ME Yes Woody Plants Broad-leaved woody plants
Salix argyrocarpa Labrador willow Salicaceae ME NH Yes Woody Plants Broad-leaved woody plants
Salix aurita eared willow Salicaceae MA No Woody Plants Broad-leaved woody plants
Salix bebbiana long-beaked willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix candida sage willow Salicaceae CT MA ME VT Yes Woody Plants Broad-leaved woody plants
Salix caprea goat willow Salicaceae CT RI No Woody Plants Broad-leaved woody plants
Salix cinerea gray willow Salicaceae CT MA ME RI No Woody Plants Broad-leaved woody plants
Salix discolor pussy willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix elaeagnos hoary willow Salicaceae CT MA ME No Woody Plants Broad-leaved woody plants
Salix eriocephala heart-leaved willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix exigua sandbar willow Salicaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Salix herbacea snow-bed willow Salicaceae ME NH Yes Woody Plants Broad-leaved woody plants
Salix humilis prairie willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix lucida shining willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix myricoides bayberry willow Salicaceae ME Yes Woody Plants Broad-leaved woody plants
Salix nigra black willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix occidentalis dwarf prairie willow Salicaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Salix pedicellaris bog willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix pellita satiny willow Salicaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Salix pentandra laurel willow Salicaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Salix petiolaris meadow willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix planifolia tea-leaved willow Salicaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Salix purpurea basket willow Salicaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Salix pyrifolia balsam willow Salicaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Salix sericea silky willow Salicaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Salix serissima autumn willow Salicaceae CT MA VT Yes Woody Plants Broad-leaved woody plants
Salix uva-ursi bearberry willow Salicaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Salix viminalis osier willow Salicaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Salpiglossis sinuata paintedtongue Solanaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Salsola collina slender saltwort Amaranthaceae MA NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Salsola kali saltwort Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Salsola tragus prickly saltwort Amaranthaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Salvia azurea azure-blue sage Lamiaceae CT NH Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvia lyrata lyre-leaved sage Lamiaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvia nemorosa woodland sage Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvia officinalis West Indian sage Lamiaceae CT ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvia pratensis meadow sage Lamiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvia sclarea cleareye sage Lamiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvia splendens scarlet sage Lamiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvia tiliifolia linden-leaved sage Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvia verticillata whorled sage Lamiaceae CT MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Salvinia minima common watermoss Salviniaceae MA No Aquatic plants; Ferns Water plants with leaves and stems; True ferns and moonworts
Sambucus nigra black elderberry Adoxaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Sambucus racemosa red elderberry Adoxaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Samolus valerandi seaside brookweed Theophrastaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sanguinaria canadensis blood-root Papaveraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sanguisorba canadensis Canada burnet Rosaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sanguisorba minor salad burnet Rosaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sanguisorba officinalis great burnet Rosaceae ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sanicula canadensis Canada sanicle Apiaceae CT MA NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sanicula marilandica Maryland sanicle Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sanicula odorata clustered sanicle Apiaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sanicula trifoliata large-fruited sanicle Apiaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Santolina chamaecyparissus lavender-cotton Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Saponaria ocymoides rock soapwort Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Saponaria officinalis common soapwort Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Saponaria pumilio pygmy soapwort Caryophyllaceae NH No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sarracenia purpurea purple pitcherplant Sarraceniaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sassafras albidum sassafras Lauraceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Satureja hortensis summer savory Lamiaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Saururus cernuus lizard's-tail Saururaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Saxifraga aizoides yellow mountain saxifrage Saxifragaceae VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Saxifraga cernua nodding saxifrage Saxifragaceae NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Saxifraga oppositifolia purple mountain saxifrage Saxifragaceae VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Saxifraga paniculata white mountain saxifrage Saxifragaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Saxifraga rivularis alpine-brook saxifrage Saxifragaceae NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Scabiosa columbaria dove pincushions Caprifoliaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scabiosa ochroleuca cream pincushions Caprifoliaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scandix pecten-veneris shepherd's-needle Apiaceae MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Schedonorus arundinaceus tall rye grass Poaceae CT MA ME VT No Grass-like plants True grasses
Schedonorus giganteus giant rye grass Poaceae CT No Grass-like plants True grasses
Schedonorus pratensis meadow rye grass Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Schenkia spicata spiked centaury Gentianaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scheuchzeria palustris pod-grass Scheuchzeriaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Schizachne purpurascens false melic grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Schizachyrium littorale dune bluestem Poaceae CT Yes Grass-like plants True grasses
Schizachyrium scoparium little bluestem Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Schkuhria pinnata feathery false threadleaf Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Schoenoplectus acutus hard-stemmed club-bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Schoenoplectus americanus chair-maker's club-bulrush Cyperaceae CT MA RI Yes Grass-like plants All other grass-like plants
Schoenoplectus etuberculatus Canby's club-bulrush Cyperaceae RI Yes Grass-like plants All other grass-like plants
Schoenoplectus hallii Hall's annual-bulrush Cyperaceae MA Yes Grass-like plants All other grass-like plants
Schoenoplectus heterochaetus slender club-bulrush Cyperaceae MA VT Yes Grass-like plants All other grass-like plants
Schoenoplectus pungens three-square club-bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Schoenoplectus purshianus weak-stalked annual-bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Schoenoplectus smithii Smith's annual-bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Schoenoplectus subterminalis water annual-bulrush Cyperaceae CT MA ME NH RI VT Yes Aquatic plants; Grass-like plants Water plants with leaves and stems; All other grass-like plants
Schoenoplectus tabernaemontani soft-stemmed club-bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Schoenoplectus torreyi Torrey's club-bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Schwalbea americana chaff-seed Orobanchaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Scirpus ancistrochaetus northeastern bulrush Cyperaceae MA NH VT Yes Grass-like plants All other grass-like plants
Scirpus atrocinctus black-girdled woolsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Scirpus atrovirens dark-green bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Scirpus cyperinus common woolsedge, woolgrass Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Scirpus expansus wood bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Scirpus georgianus Georgia bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Scirpus hattorianus mosquito bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Scirpus longii Long's woolsedge Cyperaceae CT MA ME NH RI Yes Grass-like plants All other grass-like plants
Scirpus microcarpus barber-pole bulrush Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Scirpus pedicellatus stalked woolsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Scirpus pendulus rufous bulrush Cyperaceae CT MA ME NH VT Yes Grass-like plants All other grass-like plants
Scirpus polyphyllus leafy bulrush Cyperaceae CT MA NH VT Yes Grass-like plants All other grass-like plants
Scleranthus annuus annual knawel, German knotgrass Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scleranthus perennis perennial knawel Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scleria pauciflora few-flowered nutsedge Cyperaceae CT MA NH RI Yes Grass-like plants All other grass-like plants
Scleria reticularis netted nutsedge Cyperaceae CT MA NH RI Yes Grass-like plants All other grass-like plants
Scleria triglomerata whip nutsedge Cyperaceae CT MA RI VT Yes Grass-like plants All other grass-like plants
Scleria verticillata low nutsedge Cyperaceae CT Yes Grass-like plants All other grass-like plants
Sclerolepis uniflora sclerolepis Asteraceae MA NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Scorpiurus muricatus prickly scorpion's-tail Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Scorzoneroides autumnalis fall-dandelion Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Scrophularia lanceolata lance-leaved figwort Scrophulariaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scrophularia marilandica eastern figwort Scrophulariaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scrophularia nodosa woodland figwort Scrophulariaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scutellaria altissima tall skullcap Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scutellaria galericulata hooded skullcap Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scutellaria integrifolia entire-leaved skullcap Lamiaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scutellaria lateriflora mad dog skullcap Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Scutellaria parvula little skullcap Lamiaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Secale cereale cultivated rye Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Securigera varia purple crown-vetch Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sedum acre moss stonecrop Crassulaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sedum album white stonecrop Crassulaceae ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sedum hispanicum Spanish stonecrop Crassulaceae MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sedum ochroleucum European stonecrop Crassulaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sedum reflexum rock stonecrop Crassulaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sedum sarmentosum stringy stonecrop Crassulaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sedum sexangulare six-angled stonecrop Crassulaceae CT MA NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sedum ternatum woodland stonecrop Crassulaceae CT MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Selaginella apoda meadow spikemoss Selaginellaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Selaginella eclipes hidden spikemoss Selaginellaceae CT MA Yes Ferns Clubmosses and relatives, plus quillworts
Selaginella rupestris ledge spikemoss Selaginellaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Selaginella selaginoides northern spikemoss Selaginellaceae ME Yes Ferns Clubmosses and relatives, plus quillworts
Selinum carvifolia little-leaved-angelica Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sempervivum tectorum hens-and-chickens Crassulaceae CT MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Senecio spartioides broom-like ragwort Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants; Woody Plants Daisies, goldenrods, and other Aster family plants; Broad-leaved woody plants
Senecio suaveolens false Indian-plantain Asteraceae CT MA RI Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Senecio sylvaticus woodland ragwort Asteraceae ME No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Senecio viscosus sticky ragwort Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Senecio vulgaris common ragwort Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Senna hebecarpa northern wild senna Fabaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Senna obtusifolia sickle-pod wild senna Fabaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sericocarpus asteroides toothed white-topped-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Sericocarpus linifolius narrow-leaved white-topped-aster Asteraceae CT MA NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Sesamum orientale sesame Pedaliaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sesbania herbacea tall river-hemp Fabaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sesuvium maritimum annual sea-purslane Aizoaceae MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Setaria faberi Chinese foxtail Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Setaria italica millet foxtail Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Setaria parviflora knotroot foxtail Poaceae CT MA RI Yes Grass-like plants True grasses
Setaria pumila yellow foxtail Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Setaria verticillata hooked foxtail Poaceae CT MA ME RI VT No Grass-like plants True grasses
Setaria viridis green foxtail Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Shepherdia canadensis Canada buffalo-berry Elaeagnaceae ME VT Yes Woody Plants Broad-leaved woody plants
Sherardia arvensis blue field-madder Rubiaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Shortia galacifolia Oconee-bells Diapensiaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sibbaldia procumbens sibbaldia Rosaceae NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sibbaldiopsis tridentata three-toothed-cinquefoil Rosaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sicyos angulatus one-seeded burr-cucumber Cucurbitaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sida hermaphrodita Virginia fanpetals Malvaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sida spinosa prickly fanpetals Malvaceae CT MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sideritis montana mountain ironwort Lamiaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sigesbeckia orientalis common St. Paul's-wort Asteraceae MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Silene acaulis moss campion Caryophyllaceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene antirrhina sleepy campion Caryophyllaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene caroliniana wild campion Caryophyllaceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene conica striate campion Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene csereii Balkan campion Caryophyllaceae MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene dichotoma forked campion Caryophyllaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene dioica red campion Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene gallica windmill campion Caryophyllaceae CT MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene latifolia white campion Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene nivea snowy campion Caryophyllaceae MA ME Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene noctiflora night-flowering campion Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene nutans Eurasian campion Caryophyllaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene pendula nodding campion Caryophyllaceae ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene stellata starry campion Caryophyllaceae CT RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silene vulgaris bladder campion Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Silphium perfoliatum cup-plant rosinweed Asteraceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Silybum marianum blessed milk-thistle Asteraceae CT MA NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Sinapis alba white charlock Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sinapis arvensis corn charlock Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sisymbrium altissimum tumbling hedge-mustard Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sisymbrium irio London hedge-mustard Brassicaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sisymbrium loeselii tall hedge-mustard Brassicaceae CT MA NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sisymbrium officinale common hedge-mustard Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sisymbrium orientale Indian hedge-mustard Brassicaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sisyrinchium albidum white blue-eyed-grass Iridaceae ME Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Sisyrinchium angustifolium narrow-leaved blue-eyed-grass Iridaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sisyrinchium atlanticum eastern blue-eyed-grass Iridaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sisyrinchium fuscatum coastal plain blue-eyed-grass Iridaceae CT MA RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Sisyrinchium montanum strict blue-eyed-grass Iridaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sisyrinchium mucronatum needle-tipped blue-eyed-grass Iridaceae CT MA ME NH VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sium suave water-parsnip Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with alternate leaves; Water plants with leaves and stems
Smilax glauca glaucous-leaved greenbriar Smilacaceae CT MA RI Yes Woody Plants Broad-leaved woody plants
Smilax herbacea carrion-flower Smilacaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Smilax hispida bristly greenbrier Smilacaceae CT Yes Woody Plants Broad-leaved woody plants
Smilax rotundifolia carrion-flower, roundleaf greenbrier Smilacaceae CT MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Solanum carolinense Carolina nightshade Solanaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum citrullifolium watermelon nightshade Solanaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum dulcamara climbing nightshade Solanaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum lycopersicon garden tomato Solanaceae CT MA NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum melongena eggplant Solanaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum nigrum European black nightshade Solanaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum physalifolium ground-cherry nightshade Solanaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum pseudocapsicum Jerusalem-cherry nightshade Solanaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum ptycanthum eastern black nightshade Solanaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum rostratum horned nightshade Solanaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum sisymbriifolium sticky nightshade Solanaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum triflorum cut-leaved nightshade Solanaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum tuberosum Irish potato Solanaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solanum villosum hairy nightshade Solanaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Solidago aestivalis swamp wrinkle-leaved goldenrod Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago altissima tall goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago arguta forest goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago bicolor white goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago caesia axillary goldenrod, blue-stem goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago canadensis Canada goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago erecta slender goldenrod Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago flexicaulis zig-zag goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago gigantea smooth goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago hispida hairy goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago juncea early goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago latissimifolia Elliott's goldenrod Asteraceae CT MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago leiocarpa Cutler's goldenrod Asteraceae ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago macrophylla large-leaved goldenrod Asteraceae MA ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago nemoralis gray goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago odora licorice goldenrod Asteraceae CT MA NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago patula rough-leaved goldenrod Asteraceae CT MA NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago puberula downy goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago rugosa common wrinkle-leaved goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago sempervirens seaside goldenrod Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago simplex Rand's goldenrod Asteraceae MA ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago speciosa showy goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago squarrosa squarrose goldenrod Asteraceae CT MA ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago uliginosa bog goldenrod Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Solidago ulmifolia elm-leaved goldenrod Asteraceae CT MA ME RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Sonchus arvensis field sow-thistle Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Sonchus asper spiny-leaved sow-thistle Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Sonchus oleraceus common sow-thistle Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Sorbaria sorbifolia false spiraea Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Sorbus alnifolia Korean mountain-ash Rosaceae MA No Woody Plants Broad-leaved woody plants
Sorbus americana American mountain-ash Rosaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Sorbus aucuparia European mountain-ash Rosaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Sorbus decora showy mountain-ash Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Sorbus hybrida oak-leaved mountain-ash Rosaceae ME NH No Woody Plants Broad-leaved woody plants
Sorghastrum nutans Indian grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Sorghum bicolor sorghum Poaceae CT MA RI VT No Grass-like plants True grasses
Sorghum halepense Johnson grass Poaceae CT MA VT No Grass-like plants True grasses
Sparganium americanum American bur-reed Typhaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sparganium androcladum branched bur-reed Typhaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sparganium angustifolium narrow-leaved bur-reed Typhaceae CT MA ME NH VT Yes Aquatic plants Water plants with leaves and stems
Sparganium emersum simple-stemmed bur-reed Typhaceae CT MA ME NH VT No Orchids and related plants Irises, lilies, and other "monocots"
Sparganium eurycarpum great bur-reed Typhaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sparganium fluctuans floating bur-reed Typhaceae CT MA ME NH VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Sparganium natans arctic bur-reed Typhaceae CT MA ME NH VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Spartina alterniflora smooth cordgrass Poaceae CT MA ME NH RI Yes and no (some introduced) Grass-like plants True grasses
Spartina cynosuroides big cordgrass Poaceae CT MA RI Yes Grass-like plants True grasses
Spartina patens saltmarsh hay, saltmeadow cordgrass Poaceae CT MA ME NH RI Yes and no (some introduced) Grass-like plants True grasses
Spartina pectinata prairie cordgrass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Spergula arvensis corn spurry Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Spergula morisonii Morison's spurry Caryophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Spergula pentandra five-stamened spurry Caryophyllaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Spergularia canadensis Canada sand-spurry Caryophyllaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Spergularia marina saltmarsh sand-spurry Caryophyllaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Spergularia rubra red sand-spurry Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Sphaeralcea mendocina Mendoza globe-mallow Malvaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Sphenopholis intermedia slender wedgescale Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Sphenopholis nitida shiny wedgescale Poaceae CT MA RI VT Yes Grass-like plants True grasses
Sphenopholis obtusata prairie wedgescale Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Sphenopholis pensylvanica swamp wedgescale Poaceae CT MA RI Yes Grass-like plants True grasses
Spinacea oleracea spinach Amaranthaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Spinulum annotinum bristly clubmoss, common interrupted-clubmoss Lycopodiaceae CT MA ME NH RI VT Yes Ferns Clubmosses and relatives, plus quillworts
Spinulum canadense northern interrupted-clubmoss Lycopodiaceae ME NH VT Yes Ferns Clubmosses and relatives, plus quillworts
Spiraea alba white meadowsweet Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Spiraea chamaedryfolia germander meadowsweet Rosaceae CT No Woody Plants Broad-leaved woody plants
Spiraea japonica Japanese meadowsweet Rosaceae CT MA ME NH RI No Woody Plants Broad-leaved woody plants
Spiraea prunifolia bridalwreath meadowsweet Rosaceae CT MA No Woody Plants Broad-leaved woody plants
Spiraea thunbergii Thunberg's meadowsweet Rosaceae CT MA ME No Woody Plants Broad-leaved woody plants
Spiraea tomentosa rosy meadowsweet, steeplebush Rosaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Spiranthes casei Case's ladies'-tresses Orchidaceae ME NH VT Yes Orchids and related plants Orchids
Spiranthes cernua nodding ladies'-tresses Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Spiranthes lacera slender ladies'-tresses Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Spiranthes lucida shining ladies'-tresses Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Spiranthes ochroleuca yellow ladies'-tresses Orchidaceae CT MA ME NH RI VT Yes Orchids and related plants Orchids
Spiranthes romanzoffiana hooded ladies'-tresses Orchidaceae CT MA ME NH VT Yes Orchids and related plants Orchids
Spiranthes tuberosa little ladies'-tresses Orchidaceae CT MA RI Yes Orchids and related plants Orchids
Spiranthes vernalis spring ladies'-tresses Orchidaceae CT MA NH RI Yes Orchids and related plants Orchids
Spirodela polyrrhiza common duck-meal Araceae CT MA ME NH RI VT Yes Aquatic plants Tiny water plants with no true stem
Sporobolus clandestinus hidden dropseed Poaceae CT MA Yes Grass-like plants True grasses
Sporobolus compositus rough dropseed Poaceae CT MA ME RI VT Yes Grass-like plants True grasses
Sporobolus contractus narrow-spiked dropseed Poaceae CT ME Yes and no (some introduced) Grass-like plants True grasses
Sporobolus cryptandrus sand dropseed Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Sporobolus heterolepis prairie dropseed Poaceae CT MA Yes Grass-like plants True grasses
Sporobolus neglectus small dropseed Poaceae CT MA ME NH VT Yes Grass-like plants True grasses
Sporobolus vaginiflorus poverty dropseed Poaceae CT MA ME NH RI VT Yes and no (some introduced) Grass-like plants True grasses
Stachys annua annual hedge-nettle Lamiaceae MA ME RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stachys arvensis field hedge-nettle Lamiaceae MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stachys byzantina woolly hedge-nettle Lamiaceae CT RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stachys clingmanii Clingman's hedge-nettle Lamiaceae VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stachys germanica German hedge-nettle Lamiaceae RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stachys hispida hispid hedge-nettle Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stachys hyssopifolia hyssop-leaved hedge-nettle Lamiaceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stachys palustris marsh hedge-nettle Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stachys pilosa hairy hedge-nettle Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Staphylea trifolia American bladdernut Staphyleaceae CT MA NH RI VT Yes Woody Plants Broad-leaved woody plants
Stellaria alsine bog stitchwort Caryophyllaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stellaria borealis boreal starwort, boreal stitchwort Caryophyllaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stellaria corei Tennessee stitchwort Caryophyllaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stellaria graminea grass-leaved starwort, grass-leaved stitchwort Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stellaria holostea greater stitchwort Caryophyllaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stellaria humifusa saltmarsh stitchwort Caryophyllaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stellaria longifolia long-leaved stitchwort Caryophyllaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stellaria media common starwort, common stitchwort Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Stenanthium gramineum eastern featherbells Melanthiaceae CT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Streptopus amplexifolius clasping-leaved twistedstalk Liliaceae CT MA ME NH VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Streptopus lanceolatus lance-leaved twistedstalk Liliaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Strophostyles helvola annual woolly bean Fabaceae CT MA ME RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Strophostyles leiosperma small-flowered woolly bean Fabaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Strophostyles umbellata perennial woolly bean Fabaceae RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Stuckenia filiformis thread-leaved false pondweed Potamogetonaceae ME NH VT Yes Aquatic plants Water plants with leaves and stems
Stuckenia pectinata Sago false pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Suaeda calceoliformis American sea-blite Amaranthaceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Suaeda linearis annual sea-blite Amaranthaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Suaeda maritima herbaceous sea-blite Amaranthaceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Subularia aquatica water-awlwort Brassicaceae ME NH VT Yes Aquatic plants; All other flowering non-woody plants Water plants with leaves and stems; Other herbaceous, flowering plants with alternate leaves
Succisa pratensis devil's-bit Caprifoliaceae MA RI No
Succisella inflexa southern succisella Caprifoliaceae CT MA No
Swida alternifolia alternate-leaved dogwood, pagoda dogwood Cornaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Swida amomum silky dogwood Cornaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Swida racemosa gray dogwood Cornaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Swida rugosa round-leaved dogwood Cornaceae Yes Woody Plants Broad-leaved woody plants
Swida sanguinea blood-twig dogwood Cornaceae MA No Woody Plants Broad-leaved woody plants
Swida sericea red-osier dogwood Cornaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Symphoricarpos albus common snowberry Caprifoliaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Symphoricarpos orbiculatus red snowberry Caprifoliaceae CT MA RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Symphyotrichum anticostense Anticosti American-aster Asteraceae ME Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum boreale rush American-aster Asteraceae ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum ciliatum rayless annual American-aster Asteraceae VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum ciliolatum Lindley's American-aster Asteraceae MA ME VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum concolor eastern silver American-aster Asteraceae MA RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum cordifolium heart-leaved American-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum dumosum bushy American-aster Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum ericoides heath American-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum frondosum leafy annual American-aster Asteraceae ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum laeve smooth American-aster Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum lanceolatum lance-leaved American-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum lateriflorum calico American-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum lowrieanum Lowrie's American-aster Asteraceae CT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum novae-angliae New England American-aster Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum novi-belgii New York American-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum ontarionis Ontario American-aster Asteraceae VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum patens late purple American-aster Asteraceae CT MA ME NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum pilosum awl American-aster Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum praealtum willow-leaved American-aster Asteraceae CT MA Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum prenanthoides crooked-stemmed American-aster Asteraceae CT MA NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum puniceum purple-stemmed American-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum racemosum small white American-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum subulatum annual saltmarsh American-aster Asteraceae CT MA ME NH RI Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum tenuifolium perennial saltmarsh American-aster Asteraceae CT MA NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum tradescantii Tradescant's American-aster Asteraceae MA ME NH VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum undulatum wavy-leaved American-aster Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphyotrichum urophyllum arrow-leaved American-aster Asteraceae VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Symphytum asperum prickly comfrey Boraginaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Symphytum officinale common comfrey Boraginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Symphytum tuberosum tuberous comfrey Boraginaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Symplocarpus foetidus skunk-cabbage Araceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Symplocos paniculata Asiatic sweetleaf, sapphire-berry Symplocaceae CT MA No Woody Plants Broad-leaved woody plants
Syringa josikaea Hungarian lilac Oleaceae MA No Woody Plants Broad-leaved woody plants
Syringa reticulata Japanese tree lilac Oleaceae MA NH VT No Woody Plants Broad-leaved woody plants
Syringa villosa late lilac Oleaceae MA No Woody Plants Broad-leaved woody plants
Syringa vulgaris common lilac Oleaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Taeniatherum caput-medusae Medusa-head Poaceae CT No Grass-like plants True grasses
Taenidia integerrima yellow-pimpernel Apiaceae CT RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Tagetes erecta Aztec marigold Asteraceae CT MA VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tagetes minuta miniature marigold Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tagetes patula French marigold Asteraceae VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tamarix parviflora small-flowered tamarisk Tamaricaceae CT MA No Woody Plants Broad-leaved woody plants
Tanacetum bipinnatum eastern tansy Asteraceae ME Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tanacetum parthenium feverfew tansy Asteraceae CT MA ME NH RI VT Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tanacetum vulgare common tansy Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Taraxacum laevigatum red-seeded dandelion Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Taraxacum latilobum large-lobed dandelion Asteraceae MA ME Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Taraxacum officinale common dandelion Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Taraxacum palustre marsh dandelion Asteraceae CT VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tarenaya hassleriana giant spider-flower Cleomaceae CT MA RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Taxus baccata English yew Taxaceae MA No Woody Plants Needle-leaved woody plants
Taxus canadensis American yew Taxaceae CT MA ME NH RI VT Yes Woody Plants Needle-leaved woody plants
Taxus cuspidata Japanese yew Taxaceae CT MA VT No Woody Plants Needle-leaved woody plants
Teesdalia nudicaulis common shepherd's-cress Brassicaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Tephrosia virginiana wild goat's-rue Fabaceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Tetragonia tetragonioides New Zealand-spinach Aizoaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Teucrium botrys cut-leaved germander Lamiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Teucrium canadense American germander Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Teucrium scorodonia woodland germander Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Thalictrum dasycarpum purple meadow-rue Ranunculaceae CT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thalictrum dioicum early meadow-rue Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thalictrum pubescens tall meadow-rue Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thalictrum revolutum waxy-leaved meadow-rue Ranunculaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thalictrum thalictroides anemone meadow-rue, rue anemone Ranunculaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Thalictrum venulosum veiny-leaved meadow-rue Ranunculaceae ME VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thaspium trifoliatum purple meadow-parsnip Apiaceae RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thelypteris palustris marsh fern Thelypteridaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Thermopsis villosa Blue Ridge false lupine Fabaceae CT MA ME NH VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thinopyrum pycnanthum tick quack grass Poaceae MA ME RI No Grass-like plants True grasses
Thladiantha dubia Manchu tuber gourd Cucurbitaceae MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thlaspi arvense field penny-cress Brassicaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Thuja occidentalis northern white-cedar Cupressaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Needle-leaved woody plants
Thymophylla tenuiloba Dahlburg-daisy Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Thymus pulegioides lemon thyme Lamiaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Thymus vulgaris garden thyme Lamiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Tiarella cordifolia foam-flower Saxifragaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Tilia americana American linden Malvaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Tilia cordata little-leaf basswood, small-leaved linden Malvaceae CT MA ME RI VT No Woody Plants Broad-leaved woody plants
Tilia petiolaris pendent silver basswood, pendent silver linden Malvaceae MA No Woody Plants Broad-leaved woody plants
Tilia platyphyllos large-leaved basswood, large-leaved linden Malvaceae ME No Woody Plants Broad-leaved woody plants
Tipularia discolor cranefly orchid Orchidaceae CT MA Yes Orchids and related plants Orchids
Torilis japonica erect hedge-parsley Apiaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Torilis leptophylla bristle-fruited hedge-parsley Apiaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Torreyochloa pallida pale false manna grass Poaceae CT MA ME NH RI VT Yes Grass-like plants; Aquatic plants True grasses; Water plants with leaves and stems
Toxicodendron radicans poison-ivy Anacardiaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Toxicodendron rydbergii western poison-ivy Anacardiaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Toxicodendron vernix poison-sumac Anacardiaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Tradescantia bracteata long-bracted spiderwort Commelinaceae MA VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Tradescantia ohiensis smooth spiderwort Commelinaceae CT MA ME NH RI VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Tradescantia virginiana Virginia spiderwort Commelinaceae CT MA ME NH RI VT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Tragopogon dubius fistulous goat's beard, yellow salsify Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tragopogon porrifolius purple goat's beard Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tragopogon pratensis jack-go-to-bed-at-noon, meadow goat's beard Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tragus berteronianus spike burgrass Poaceae MA ME No Grass-like plants True grasses
Tragus racemosus stalked burgrass Poaceae ME No Grass-like plants True grasses
Trapa natans water-chestnut Lythraceae CT MA NH VT No Aquatic plants Water plants with leaves and stems
Triadenum fraseri Fraser's marsh-St. John's-wort Hypericaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Triadenum virginicum Virginia marsh-St. John's-wort Hypericaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Triantha glutinosa sticky false asphodel Tofieldiaceae ME NH VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Tribulus terrestris puncture-vine Zygophyllaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Trichomanes intricatum Appalachian bristle fern Hymenophyllaceae CT MA ME NH VT Yes Ferns True ferns and moonworts
Trichophorum alpinum alpine bulrush, alpine clubsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Trichophorum cespitosum tufted clubsedge Cyperaceae ME NH VT Yes Grass-like plants All other grass-like plants
Trichophorum clintonii Clinton's bulrush, Clinton's clubsedge Cyperaceae ME Yes Grass-like plants All other grass-like plants
Trichophorum planifolium bashful bulrush, bashful clubsedge Cyperaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Trichostema brachiatum pennyroyal bluecurls Lamiaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Trichostema dichotomum forked bluecurls Lamiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Trichostema setaceum narrow-leaved bluecurls Lamiaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Tricyrtis hirta hairy toad-lily Liliaceae MA No Orchids and related plants Irises, lilies, and other "monocots"
Tridens flavus purpletop tridens Poaceae CT MA NH RI VT Yes Grass-like plants True grasses
Trifolium arvense rabbit-foot clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium aureum palmate hop clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium campestre pinnate hop clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium dalmaticum Balkan clover Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium dichotomum branched Indian clover Fabaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium dubium lesser hop clover Fabaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium echinatum prickly clover Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium fragiferum strawberry clover Fabaceae VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium glomeratum clustered clover Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium hybridum alsike clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium incarnatum crimson clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium medium zigzag clover Fabaceae MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium pratense red clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium purpureum purple clover Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium repens white clover Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium resupinatum Persian clover Fabaceae MA VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium striatum knotted clover Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium subterraneum burrowing clover Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trifolium tomentosum woolly clover Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Triglochin gaspensis Gaspe Peninsula arrow-grass Juncaginaceae ME Yes Grass-like plants All other grass-like plants
Triglochin maritima saltmarsh arrow-grass, seaside arrow-grass Juncaginaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Triglochin palustre marsh arrow-grass Juncaginaceae ME RI Yes Grass-like plants All other grass-like plants
Trigonella corniculata cultivated fenugreek Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Trillium cernuum nodding wakerobin, whip-poor-will flower Melanthiaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Trillium erectum red trillium, red wakerobin Melanthiaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Trillium grandiflorum white trillium, white wakerobin Melanthiaceae CT MA ME NH VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Trillium nivale snow wakerobin Melanthiaceae CT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Trillium recurvatum prairie wakerobin Melanthiaceae CT Yes and no (some introduced) Orchids and related plants Irises, lilies, and other "monocots"
Trillium undulatum painted trillium, painted wakerobin Melanthiaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Triodanis perfoliata clasping-leaved Venus'-looking-glass Campanulaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Triosteum angustifolium lesser horse-gentian Caprifoliaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Triosteum aurantiacum orange-fruited horse-gentian Caprifoliaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Triosteum perfoliatum perfoliate-leaved horse-gentian Caprifoliaceae CT MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Triphora trianthophora three-birds orchid Orchidaceae CT MA ME NH VT Yes Orchids and related plants Orchids
Triplasis purpurea purple sandgrass Poaceae CT MA ME NH RI Yes Grass-like plants True grasses
Tripleurospermum inodorum corn scentless-chamomile Asteraceae CT MA ME NH VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tripleurospermum maritimum scentless-chamomile Asteraceae CT MA ME NH Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Tripsacum dactyloides eastern gamagrass Poaceae CT MA RI Yes Grass-like plants True grasses
Triraphis mollis purpleheads Poaceae MA No Grass-like plants True grasses
Trisetum flavescens yellow false oat Poaceae MA VT No Grass-like plants True grasses
Trisetum spicatum narrow false oat Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Triticum aestivum bread wheat Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Triticum turgidum rivet wheat Poaceae CT No Grass-like plants True grasses
Trollius laxus American globe-flower Ranunculaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Tropaeolum majus garden-nasturtium Tropaeolaceae CT MA NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Tropidocarpum gracile Dobie-pod Brassicaceae MA Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Tsuga canadensis eastern hemlock Pinaceae CT MA ME NH RI VT Yes Woody Plants Needle-leaved woody plants
Tulipa gesneriana Didier's tulip Liliaceae MA No Orchids and related plants Irises, lilies, and other "monocots"
Tulipa sylvestris wild tulip Liliaceae MA No Orchids and related plants Irises, lilies, and other "monocots"
Turritis glabra tower-mustard Brassicaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Tussilago farfara coltsfoot Asteraceae CT MA ME NH RI VT No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Typha angustifolia narrow-leaved cat-tail Typhaceae CT MA ME NH RI VT No Grass-like plants All other grass-like plants
Typha latifolia broad-leaved cat-tail Typhaceae CT MA ME NH RI VT Yes Grass-like plants All other grass-like plants
Ulex europaeus common gorse Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Ulmus americana American elm Ulmaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ulmus glabra Scotch elm Ulmaceae CT MA ME VT No Woody Plants Broad-leaved woody plants
Ulmus parvifolia Chinese elm Ulmaceae MA No Woody Plants Broad-leaved woody plants
Ulmus procera English elm Ulmaceae CT MA RI VT No Woody Plants Broad-leaved woody plants
Ulmus pumila Siberian elm Ulmaceae CT MA ME NH RI VT No Woody Plants Broad-leaved woody plants
Ulmus rubra slippery elm Ulmaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Ulmus thomasii rock elm Ulmaceae NH VT Yes Woody Plants Broad-leaved woody plants
Urochloa texana Texas liverseed grass Poaceae MA Yes and no (some introduced) Grass-like plants True grasses
Urtica dioica stinging nettle Urticaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Urtica urens burning nettle Urticaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Utricularia cornuta horned bladderwort Lentibulariaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Utricularia geminiscapa mixed bladderwort Lentibulariaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Utricularia gibba creeping bladderwort Lentibulariaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Utricularia inflata swollen bladderwort Lentibulariaceae CT MA ME RI Yes and no (some introduced) Aquatic plants Water plants with leaves and stems
Utricularia intermedia flat-leaved bladderwort Lentibulariaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Aquatic plants Other herbaceous, flowering plants with alternate leaves; Water plants with leaves and stems
Utricularia minor lesser bladderwort Lentibulariaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Utricularia purpurea eastern purple bladderwort Lentibulariaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Utricularia radiata floating bladderwort Lentibulariaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Utricularia resupinata resupinate bladderwort Lentibulariaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Utricularia striata striped bladderwort Lentibulariaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Utricularia subulata slender bladderwort Lentibulariaceae MA RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Utricularia vulgaris common bladderwort, greater bladderwort Lentibulariaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Uvularia grandiflora large-flowered bellwort Colchicaceae CT MA NH VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Uvularia perfoliata perfoliate bellwort Colchicaceae CT MA NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Uvularia sessilifolia sessile-leaved bellwort Colchicaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Vaccaria hispanica cowcockle Caryophyllaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Vaccinium angustifolium common lowbush blueberry Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Vaccinium boreale northern blueberry Ericaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Vaccinium caesariense New Jersey highbush blueberry Ericaceae MA ME NH RI Yes Woody Plants Broad-leaved woody plants
Vaccinium cespitosum dwarf blueberry Ericaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Vaccinium corymbosum highbush blueberry Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Vaccinium fuscatum black highbush blueberry Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Vaccinium macrocarpon large cranberry Ericaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Vaccinium myrtilloides velvet-leaved blueberry Ericaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Vaccinium oxycoccos small cranberry Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Vaccinium pallidum hillside blueberry Ericaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Vaccinium stamineum deerberry Ericaceae CT MA RI VT Yes Woody Plants Broad-leaved woody plants
Vaccinium uliginosum alpine blueberry Ericaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Vaccinium vitis-idaea mountain cranberry Ericaceae CT MA ME NH VT Yes Woody Plants Broad-leaved woody plants
Vahlodea atropurpurea arctic hair grass Poaceae ME NH VT Yes Grass-like plants True grasses
Valeriana officinalis common valerian Caprifoliaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Valeriana uliginosa marsh valerian Caprifoliaceae ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Valerianella locusta European corn-salad Caprifoliaceae CT ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Valerianella radiata beaked corn-salad Caprifoliaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Valerianella umbilicata navel corn-salad Caprifoliaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Vallisneria americana American eelgrass, tape-grass Hydrocharitaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Ventenata dubia North African grass Poaceae MA ME No Grass-like plants True grasses
Veratrum latifolium slender bunch-flower Melanthiaceae CT Yes All other flowering non-woody plants; Orchids and related plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Irises, lilies, and other "monocots"
Veratrum viride American false hellebore Melanthiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants; Orchids and related plants Other herbaceous, flowering plants with opposite, whorled or no leaves; Irises, lilies, and other "monocots"
Verbascum blattaria moth mullein Scrophulariaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Verbascum densiflorum dense-flowered mullein Scrophulariaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Verbascum lychnitis white mullein Scrophulariaceae CT MA NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Verbascum nigrum black mullein Scrophulariaceae MA NH No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Verbascum phlomoides orange mullein Scrophulariaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Verbascum thapsus common mullein Scrophulariaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Verbena bonariensis purple-topped vervain Verbenaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Verbena bracteata prostrate vervain Verbenaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Verbena hastata blue vervain Verbenaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Verbena hispida hairy mock-vervain Verbenaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Verbena officinalis European vervain Verbenaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Verbena simplex narrow-leaved vervain Verbenaceae CT MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Verbena stricta hoary vervain Verbenaceae CT MA VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Verbena urticifolia white vervain Verbenaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Verbesina alternifolia wingstem crownbeard Asteraceae CT MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Verbesina encelioides golden crownbeard Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Vernonia fasciculata prairie ironweed Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Vernonia glauca broad-leaved ironweed Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Vernonia missurica Missouri ironweed Asteraceae MA Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Vernonia noveboracensis New York ironweed Asteraceae CT MA NH RI Yes All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Veronica agrestis green field speedwell Plantaginaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronica americana American speedwell Plantaginaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica anagallis-aquatica blue water speedwell Plantaginaceae CT MA ME RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica arvensis corn speedwell Plantaginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronica austriaca broad-leaved speedwell Plantaginaceae CT MA ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica beccabunga European speedwell Plantaginaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica catenata water speedwell Plantaginaceae MA VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica chamaedrys germander speedwell Plantaginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica filiformis thread-stalked speedwell Plantaginaceae CT VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronica hederaefolia ivy-leaved speedwell Plantaginaceae CT RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronica longifolia long-leaved speedwell Plantaginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronica officinalis common speedwell Plantaginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica peregrina purslane speedwell Plantaginaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronica persica bird's-eye speedwell Plantaginaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronica polita gray field speedwell Plantaginaceae CT MA ME No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica scutellata narrow-leaved speedwell Plantaginaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronica serpyllifolia thyme-leaved speedwell Plantaginaceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica spuria bastard speedwell Plantaginaceae NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Veronicastrum virginicum Culver's-root Plantaginaceae CT MA ME VT Yes and no (some introduced) All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Veronica wormskjoldii American alpine speedwell Plantaginaceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viburnum acerifolium maple-leaved viburnum Adoxaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Viburnum dentatum smooth arrowwood Adoxaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Viburnum dilatatum linden arrowwood Adoxaceae CT MA No Woody Plants Broad-leaved woody plants
Viburnum edule squashberry Adoxaceae ME NH VT Yes Woody Plants Broad-leaved woody plants
Viburnum lantana wayfaring tree Adoxaceae CT MA ME VT No Woody Plants Broad-leaved woody plants
Viburnum lantanoides hobblebush Adoxaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Viburnum lentago nannyberry Adoxaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Viburnum nudum withe-rod Adoxaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Viburnum opulus highbush-cranberry Adoxaceae CT MA ME NH RI VT Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Viburnum plicatum Japanese snowball Adoxaceae CT MA No Woody Plants Broad-leaved woody plants
Viburnum prunifolium smooth blackhaw Adoxaceae CT Yes Woody Plants Broad-leaved woody plants
Viburnum rafinesquianum downy arrowwood Adoxaceae CT MA NH VT Yes Woody Plants Broad-leaved woody plants
Viburnum sieboldii Siebold's arrowwood Adoxaceae CT MA No Woody Plants Broad-leaved woody plants
Vicia cracca bird vetch, cow vetch Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia faba broad vetch Fabaceae CT MA ME VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia grandiflora large yellow vetch Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia hirsuta tiny vetch Fabaceae CT MA ME NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia lathyroides spring vetch Fabaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia pannonica Hungarian vetch Fabaceae CT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia sativa common vetch Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia sepium hedge vetch Fabaceae ME NH VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia tetrasperma four-seeded vetch Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vicia villosa hairy vetch Fabaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Vinca herbacea herbaceous periwinkle Apocynaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Vinca major greater periwinkle Apocynaceae CT MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Vinca minor lesser periwinkle Apocynaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola adunca hook-spurred violet Violaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viola affinis Le Conte's violet Violaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola arvensis European field violet Violaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viola blanda sweet white violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola brittoniana coast violet Violaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola canadensis Canada white violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viola cucullata blue marsh violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola hirsutula southern woodland violet Violaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola japonica Japanese violet Violaceae MA No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola labradorica American dog violet, Labrador violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viola lanceolata lance-leaved violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola nephrophylla northern bog violet Violaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola novae-angliae New England violet Violaceae ME Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola odorata English violet Violaceae CT MA ME RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola pallens smooth white violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola palmata wood violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola palustris northern marsh violet Violaceae ME NH Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola pectinata pectinate-leaved violet Violaceae CT MA Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola pedata bird-foot violet Violaceae CT MA NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola primulifolia primrose-leaved violet Violaceae CT MA ME NH RI Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola pubescens yellow forest violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viola renifolia kidney-leaved violet Violaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola rostrata long-spurred violet Violaceae CT MA NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viola rotundifolia round-leaved violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola sagittata arrowhead violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola selkirkii great-spurred violet Violaceae CT MA ME NH VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola sororia woolly blue violet Violaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viola striata striped cream violet Violaceae CT MA NH RI No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola subsinuata early blue violet Violaceae CT MA RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Viola tricolor garden violet Violaceae CT MA ME NH RI VT No All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Viscaria vulgaris clammy-campion Caryophyllaceae CT MA ME NH No All other flowering non-woody plants Other herbaceous, flowering plants with opposite, whorled or no leaves
Vitis aestivalis summer grape Vitaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Vitis labrusca fox grape Vitaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Vitis palmata catbird grape Vitaceae CT Yes Woody Plants Broad-leaved woody plants
Vitis riparia river grape Vitaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Vitis vinifera European grape Vitaceae MA NH No Woody Plants Broad-leaved woody plants
Vitis vulpina frost grape Vitaceae MA Yes Woody Plants Broad-leaved woody plants
Vulpia bromoides brome six-weeks grass Poaceae MA No Grass-like plants True grasses
Vulpia myuros rat-tail six-weeks grass Poaceae CT MA ME RI No Grass-like plants True grasses
Vulpia octoflora eight-flowered six-weeks grass Poaceae CT MA ME NH RI VT Yes Grass-like plants True grasses
Weigela floribunda crimson weigela Caprifoliaceae CT MA No Woody Plants Broad-leaved woody plants
Wisteria floribunda Japanese wisteria Fabaceae MA ME NH No Woody Plants Broad-leaved woody plants
Wisteria frutescens American wisteria Fabaceae CT MA RI Yes Woody Plants Broad-leaved woody plants
Wisteria sinensis Chinese wisteria Fabaceae CT MA RI VT No Woody Plants Broad-leaved woody plants
Wolffia borealis northern water-meal Araceae MA ME NH VT Yes Aquatic plants Tiny water plants with no true stem
Wolffia brasiliensis Brazilian water-meal Araceae CT MA ME RI Yes Aquatic plants Tiny water plants with no true stem
Wolffia columbiana Columbian water-meal Araceae CT MA ME NH RI VT Yes Aquatic plants Tiny water plants with no true stem
Wolffiella gladiata sword-like bog-mat Araceae MA Yes Aquatic plants Tiny water plants with no true stem
Woodsia alpina northern cliff fern Woodsiaceae ME VT Yes Ferns True ferns and moonworts
Woodsia glabella smooth cliff fern Woodsiaceae MA ME NH VT Yes Ferns True ferns and moonworts
Woodsia ilvensis rusty cliff fern Woodsiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Woodsia obtusa blunt-lobed cliff fern Woodsiaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Woodwardia areolata netted chain fern Blechnaceae CT MA ME NH RI Yes Ferns True ferns and moonworts
Woodwardia virginica Virginia chain fern Blechnaceae CT MA ME NH RI VT Yes Ferns True ferns and moonworts
Xanthium spinosum spiny cocklebur Asteraceae CT MA ME NH RI No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Xanthium strumarium rough cocklebur Asteraceae CT MA ME NH RI VT Yes and no (some introduced) All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Xanthorhiza simplicissima shrub yellowroot Ranunculaceae CT MA ME Yes and no (some introduced) Woody Plants Broad-leaved woody plants
Xerochrysum bracteatum bracted strawflower Asteraceae CT MA No All other flowering non-woody plants Daisies, goldenrods, and other Aster family plants
Xyris difformis bog yellow-eyed-grass Xyridaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Xyris montana northern yellow-eyed-grass Xyridaceae CT MA ME NH RI VT Yes Orchids and related plants Irises, lilies, and other "monocots"
Xyris smalliana Small's yellow-eyed-grass Xyridaceae CT MA ME RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Xyris torta slender yellow-eyed-grass Xyridaceae CT MA NH RI Yes Orchids and related plants Irises, lilies, and other "monocots"
Yucca filamentosa Adam's-needle Agavaceae CT MA RI No Orchids and related plants Irises, lilies, and other "monocots"
Zannichellia palustris horned-pondweed Potamogetonaceae CT MA ME NH RI VT Yes Aquatic plants Water plants with leaves and stems
Zanthoxylum americanum common prickly-ash Rutaceae CT MA ME NH RI VT Yes Woody Plants Broad-leaved woody plants
Zea mays corn Poaceae CT MA ME NH RI VT No Grass-like plants True grasses
Zizania aquatica southern wild rice Poaceae CT MA ME NH RI VT Yes Aquatic plants; Grass-like plants Water plants with leaves and stems; True grasses
Zizania palustris northern wild rice Poaceae CT MA ME NH RI VT Yes Grass-like plants; Aquatic plants True grasses; Water plants with leaves and stems
Zizia aptera heart-leaved golden Alexanders Apiaceae CT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Zizia aurea common golden Alexanders Apiaceae CT MA ME NH RI VT Yes All other flowering non-woody plants Other herbaceous, flowering plants with alternate leaves
Zostera marina eel-grass, seawrack Zosteraceae CT MA ME NH RI Yes Aquatic plants Water plants with leaves and stems