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Thlaspi arvense (field penny-cress)
... 1.0 NA–1.2 NA. Bulbils: the plant does not appear to have bulbils. Anther attachment: ...
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Myriophyllum tenellum (slender water-milfoil)
... 1.2 mm–1.7 mm. Leaf arrangement: NA. Underground organs: the plant has a rhizome (...
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Pyrola americana (American shinleaf, American wintergreen)
... 1.0 None–1.0 None. Specific leaf type: the leaves are simple (i.e., lobed or unlobed but not separated into leaflets). ...
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Podophyllum peltatum (mandrake, May-apple)
... 1.0 NA–1.0 NA. Parasitism: the plant is not parasitic. Hooked hairs on underside of leaf: ...
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Alliaria petiolata (garlic-mustard)
...mm–1.5 mm. Leaf blade texture: the leaf blade is herbaceous (has a leafy texture). Hairs on underside of leaf: ...
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Circaea canadensis (broad-leaved enchanter's-nightshade)
... 15.0 cm–100.0 cm. Hairs between stem nodes: the hairs on the stem are plain, without glands or branches, and not tangled. ...
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Agalinis neoscotica (Nova Scotia agalinis)
...0.4–1 times as long as the basal, connate portion and style 6–10 mm long (vs. A. neoscotica, with lobes of the calyx 1.8–5 mm long, 0.75–2 times as long as the basal, connate portion and styles 4-5 mm...
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Triadenum fraseri (Fraser's marsh-St. John's-wort)
...(1750-1811), hosier, draper, botanist, and widely-travelled plant collector, who introduced many exotic plants to Britain. Habitat: shores of rivers or lakes, swamps, wetland margins (edges of wetla...
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Myriophyllum humile (low water-milfoil)
... 1439.0 NA–None NA. Fruit length to width ratio: 1.0 NA–1.0 NA. Staminodes: there are no ...
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Hypericum boreale (northern St. John's-wort)
... 11. Bracteole edges: NA. Carpel hairs: the carpels have no hairs. ...