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Betula: Dichotomous Key
... 2a. Leaf blades 0.5–3 cm long; branchlets with abundant, large resin glands; scales of carpellate ament with upturned lateral lobes; plants of alpine ridges and plateaus 2b. Leaf...
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Malva: Dichotomous Key
...6–25 (–30) mm long; plants annual or biennial; leaf blades with shallow sinuses, rarely as deep as the middle 3a. Petals red-purple, (12–) 20–25 (–30) mm long; bractlets of epicalyx oblo...
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Cladium mariscoides (smooth saw-sedge)
... 2.5 mm–3.0 mm. Anther length: None mm–2.0 mm. Anther color (dry): the anthers are orange...
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Echinochloa crus-galli (common barnyard grass)
...mm–250.0 mm. Anther length: 0.5 mm–1.0 mm. Leaf blade width: 5.0 mm–30.0 mm. Infloresc...
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Spinulum canadense (northern interrupted-clubmoss)
...'interrupted' in the common name. Habitat: alpine or subalpine zones, cliffs, balds, or ledges, ridges or ledges All Characteristics: Specific habitat: ...
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Cystopteris tenuis (Mackay's fragile fern)
...Desv.. Mackay's fragile fern. Ferns Monilophytes Facts About: Mackay's fragile fern is a hybrid whose parents were, most likely, Southern fragile fern (Cystopteris protrusa) an...
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Carex lurida (sallow sedge)
...12.0 mm–22.0 mm. Stem cross-section: the main stem is roughly triangular in cross-section. Length of scale: ...
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Carex folliculata (northern long sedge)
...NA–26.0 NA. Leaf blade texture: the leaf blade is smooth and hairless, or rough and sandpapery. Plant height: 25...
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Carex paleacea (chaffy sedge)
... 22.0 mm–65.0 mm. Achene dimples: the achene has a clear fold or dimple. Scale awn: ...
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Juniperus virginiana (eastern red cedar)
...(can't be rolled between the fingers). Leaf duration: the needle-like leaves remain green all winter. Seed cone form: ...