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Rumex acetosa (common dock)
...achenes 2–2.5 mm long).: Rumex acetosella Synonyms: Acetosa pratensis, Rumex acetosa ssp. pratensis ...
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Claytonia caroliniana (Carolina spring-beauty)
... 2.0 NA–2.0 NA. Sepal appendages: the sepals do not have appendages on them. Petal and sepal colors: ...
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Bidens tenuisecta (slim-lobed beggar-ticks)
...lobe's central axis. Number of pappus parts: 2. Leaf type: leaves are simple (i.e., lobed or ...
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Senna hebecarpa (northern wild senna)
...mm–120.0 mm. Sepal and petal color: the sepals are different from the petals. Flower number: 9.0 NA–20.0...
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Strophostyles helvola (annual woolly bean)
...0.8–2.4 mm long, ovate to oblong, blunt, and leaflets usually lacking lobes, but the margins sometimes sinuate, the terminal one 3–20 mm wide and mostly 2.2–8 times as long as wide (vs. S. helvola, wi...
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Apios americana (common ground-nut)
... 20.0 mm–70.0 mm. Leaf blade length: 100.0 mm–200.0 mm. Hairs on upper side of leaf: the ...
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Vicia tetrasperma (four-seeded vetch)
... 2.0 mm–3.0 mm. Number of branches in umbel: 0.0 NA–0.0 NA. Stamens fused: the stamens ar...
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Elymus canadensis (Great Plains wild-rye)
...12.0 mm–20.0 mm. Hairs at nodes: the stem nodes are hairless or they have very sparse hairs. Spikelet pedicel: ...
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Euonymus alatus (burning-bush, winged spindle-tree)
...into 2-4 almost separate sections, seeds brown with orange-red arils, and flowers usually in 3-flowered arrays).: Euonymus phellomanus Synonyms: ...
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Galega officinalis (professor-weed)
...mm–20.0 mm. Leaf stalk length: 80.0 mm–200.0 mm. Style petal-like: the styles are not petal-like. ...