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Woodsia alpina (northern cliff fern)
...S1), threatened (code: T) Vermont: extremely rare (S-rank: S1)...
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Osmundastrum cinnamomeum (cinnamon fern)
... 13.0 cm–None cm. Leaf divisions: the leaf blade is twice compound (divided into leaflets, which are further divided into leaflets). ...
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Pappophorum vaginatum (whiplash pappusgrass)
... 1.5 mm–5.0 mm. Leaf ligule type: the leaf ligule is in the form of fine hairs. Lemma cross-section: ...
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Osmunda claytoniana (interrupted fern)
... 15.0 cm–None cm. Leaf stalk length: 106.0 mm–533.0 mm. Spore forms: there is only one ty...
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Eremochloa ophiuroides (centipede grass)
... 1.8 mm–2.0 mm. Glume awn length: 0.0 mm–0.0 mm. Plant height: 10.0 cm–35.0 cm. ...
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Wolffiella gladiata (sword-like bog-mat)
... 1. Roots perforating basal scale: NA. Thallus length: 3.0 mm–9.0 mm. ...
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Triraphis mollis (purpleheads)
...NA–10.0 NA. Leaf blade width: 2.0 mm–5.0 mm. Leaf ligule type: the leaf ligule is in the form of fine hai...
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Callitriche terrestris (terrestrial water-starwort)
...fruit 1-2 mm long, subsessile, each half of the fruit with an conspicuous wing-margin, and leaf blades mostly 4-15 mm long (vs. C. terrestris, with fruit 0.5-0.7 mm long, borne on a short pedicel 0.1-...
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Asteraceae Group 2: Dichotomous Key
... 11b. Plants not stoloniferous, without conspicuous rosettes of basal leaves, mostly 20–100 cm tall; pappus slender at the apex and distinct, falling separately; stems leafy, the leaf blades 7...
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Hieracium: Dichotomous Key
...stems 10–35 cm tall, with 4–10 leaves (in part) 12b. Involucral bracts tapering to a narrow-rounded to acute apex; reproductive stems 15–60 (–150) cm tall, with 6–50 leaves 1...