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Parthenium integrifolium (wild feverfew)
...plant's tip or towards it's base. Width of flower head base: 5.0 mm–8.0 mm. Disk flower color: ...
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Danthonia spicata (poverty grass, poverty oatgrass)
...0.2 mm–1.0 mm. Roots: there are only slender roots on the plant. Leaf blade length: 6.0 cm–20.0 ...
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Vaccinium macrocarpon (large cranberry)
...bracteoles 2 mm long or shorter (vs. V. macrocarpon, with leaf blades round at the apex and plane or with slightly revolute margins, flower stalk with green bracteoles 2 mm long or longer).: ...
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Najas gracillima (slender waternymph)
...S2) Information from Dichotomous Key of Flora Novae Angliae: 2. Najas gracillima (A. Braun ex Engelm.) Magnus N ...
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Amelanchier canadensis (Canada serviceberry, eastern shadbush)
...6-20 foot (2-6.5m) tall tree that produces white flowers in March and sweet, edible berries in June (around the same time as the annual shad run in New England). The smooth, light grayish-brown bark h...
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Paeonia officinalis (common peony)
... 2.0 NA–None NA. Specific leaf type: the leaf has a row of two or more lobes on each side of the central axis. ...
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Utricularia vulgaris (common bladderwort, greater bladderwort)
... 2.0 NA–2.0 NA. Flower position: the flowers are above the surface of the water. Staminate bract edge (Myriop...
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Commelina diffusa (climbing dayflower)
...mm–22.0 mm. Leaf blade shape: the leaf blade is ovate (widest below the middle and broadly tapering at both ends). Leaf type:...
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Centaurea calcitrapa (purple knapweed)
...mostly 2-3 mm long and involucre 5-5 mm wide (vs. C. calcitrapa, with the apical spine of involcural bracts mostly 5-25 mm long and involucre mostly 7-12 mm wide).: Centaurea diffusa ...
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Dichanthelium clandestinum (deer-tongue rosette-panicgrass)
...to 2 mm thick (vs. D. calndestinum, with the hairs of sheath arising from a blister-like base and rhizomes 3-5 mm thick).: Dichanthelium latifolium spikelets 2.2-2.8 m...