Page 289: 3,450 results for me
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Pilea pumila (Canada clearweed)
...symmetrical). Flower symmetry: there are two or more ways to evenly divide the flower (the flower is radially symmetrical). ...
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Valeriana officinalis (common valerian)
...America? No Sometimes Confused With: basal leaf blades simple or sometimes with a single pair of basal lobes, stem leaf blades with 3–13 leaflet...
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Asclepias purpurascens (purple milkweed)
...(specimen at NHA!). Native to North America? Yes Sometimes Confused With: corona hoods 4-5 mm l...
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Bidens frondosa (Devil's beggar-ticks)
...arrangement: opposite: there are two leaves per node along the stem. Tuft or plume on fruit: there is no plume, or the plum...
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Viola lanceolata (lance-leaved violet)
...America? Yes Sometimes Confused With: leaf blades 1.5-2.5 times as long as wide, broadly tapering to truncate...
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Pseudognaphalium obtusifolium (blunt-leaved rabbit-tobacco)
...America? Yes and no (some introduced) Sometimes Confused With: involucral bracts...
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Stachys palustris (marsh hedge-nettle)
...Stamen attachment: the stamens are attached at or near the bases of the petals or tepals. Stamen lengths differ: the stamen...
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Lycopus virginicus (Virginia water-horehound)
...MA, ME, NH, RI, VT. Swamps, shorelines, wetland margins. Native to North America? Yes Sometimes Confus...
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Pseudognaphalium micradenium (Weatherby's rabbit-tobacco)
...some of the flowers on the plant have only carpels or stamens, while others have both carpels and stamens. Underground organs: there are only slender...
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Piptatherum pungens (short-awned mountain-rice grass)
...Glume relative length: neither glume is quite as long as all of the florets. Glume keel: the glume keels are smooth and hai...