Erigeron evermannii Rydberg (Q2188)
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Erigeron evermannii is a taxon with the rank species within the genus Erigeron
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Erigeron evermannii Rydberg
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Erigeron evermannii is a taxon with the rank species within the genus Erigeron
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Statements
taxon/id/Erigeron evermannii Rydberg
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Erigeron evermannii Rydberg
Erigeron evermannii
Rydberg
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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CA-AB
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US-ID
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US-MT
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2400–3500 m
2,400 meter
3,500 meter
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taprooted, caudices multicipital or branches relatively long and thick to relatively slender, lignescent.
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Stems erect to ascending, glabrous or sparsely strigose, sometimes sparsely villosulous distally, eglandular.
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Leaves basal, sometimes few cauline;
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blades oblanceolate to spatulate (usually folding), 10–40 × 2–7 mm, cauline bractlike or 0, margins entire, faces glabrous or glabrate, eglandular.
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Involucres 5–8 × 7–13 mm.
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Ray-florets 15–40;
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corollas white, 6–10 mm, laminae not coiling or reflexing, straight.
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Disc corollas 3.6–4.5 mm.
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Cypselae 3.2–3.5 mm, 2-nerved, faces sparsely strigose;
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pappi: outer of setae, inner of 25–35 (stramineous, dull) bristles.
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villosulous
sometimes sparsely; distally
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