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Castilleja exserta (purple painted-cup)
... 1.0 None–1.0 None. Final leaf segment length to width ratio (compound lvs only): 0.0 None–0.0 None. Leaf blade sur...
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Polygonum buxiforme (prairie knotweed)
...0.9–1.3 times as long as wide (vs. non-saccate tepals and perianth 1.5–2.9 times as long as wide in P. aviculare). Given that P. buxiforme also differs in distribution (it is native to North Am...
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Vicia faba (broad vetch)
... 1.0 NA–1.0 NA. Bracteoles: there are no bracteoles on the plant. Stem bloom: there...
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Pycnanthemum verticillatum (whorled mountain-mint)
... 1.0 mm–1.3 mm. Stamens fused: the stamens are not attached to one another. Seed number: 1.0 ...
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Vicia tetrasperma (four-seeded vetch)
... 10. Fruit length: 9.0 mm–16.0 mm. Wings on stem: the stem does not have wings on it. ...
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Grindelia squarrosa (curly-top gum-weed)
...mm–11.0 mm. Disk width: 10.0 mm–20.0 mm. Hairs on underside of leaf blade: the underside of the leaf is n...
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Symphyotrichum subulatum (annual saltmarsh American-aster)
... 11-20. Leaf tufts in axils: there are no clusters of smaller leaves. Stem internode hair direction: ...
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Drosera intermedia (spatulate-leaved sundew)
... 1. Carpel hairs: the carpels have no hairs. Horns in hoods (Asclepias): NA. ...
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Pseudognaphalium macounii (Macoun's rabbit-tobacco)
... 11 or more. Hairs on upper side of leaf blade: the upper side of the leaf is fuzzy or hairy. Number of pappus p...
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Elymus canadensis (Great Plains wild-rye)
...(1999), based on George (1992); however, George (1999) stated this species could be in RI (i.e., the author was unaware of any collections). Native to North America? ...