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Xyris difformis (bog yellow-eyed-grass)
... 1.0 None–1.0 None. Underground organs: the plant has a rhizome (a horizontal underground stem with roots growing from it). ...
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Piptochaetium avenaceum (black-seeded spear grass)
... 1.0 NA–1.0 NA. Lemma base hairs: the lemma has hairs at the base. Awn on glume: th...
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Sesuvium maritimum (annual sea-purslane)
...S1), concern (code: C) Information from Dichotomous Key of Flora Novae Angliae: 1. Sesuvium marit...
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Solidago erecta (slender goldenrod)
...body 1.1–2 mm long (vs. S. erecta, with the capitulescence thyrse-like, very slender or infrequently with 1 or more prolonged branches, lower leaf blades crenate to crenate-serrate, the middle blades ...
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Potamogeton gramineus (grassy pondweed)
... 15.0 mm–35.0 mm. Leaf blade length: 15.0 mm–100.0 mm. Stipule appearance: the stipules a...
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Commelina communis (Asiatic dayflower)
... 10.0 mm–40.0 mm. Length of peduncle: 8.0 mm–50.0 mm. Flower petal length: 8.0 mm–15.0 ...
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Argentina anserina (common silverweed)
... 1.0 None–1.0 None. Stipule features: NA. Mericarp segment shape (Desmodium): NA. ...
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Thladiantha dubia (Manchu tuber gourd)
... 1. Specific leaf type: the leaves are simple (i.e., lobed or unlobed but not separated into leaflets). Leaf bla...
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Prunus: Dichotomous Key
...851] 16a. Petals 4–7 mm long; flowers 12–16 mm in diameter; drupes 5–7 mm in diameter 16b. Petals 10–15 mm long; flowers 25–40 mm in diameter; drupes (8–) 15–25 mm in diamet...
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Paronychia argyrocoma (silvery whitlow-wort)
... 1.5 mm–1.8 mm. Leaf blade length: 5.0 mm–30.0 mm. Leaf blade shape: the leaf blade is ob...