Erigeron filifolius (Hooker) Nuttall (Q2189)
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Erigeron filifolius is a taxon with the rank species within the genus Erigeron
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Erigeron filifolius (Hooker) Nuttall
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Erigeron filifolius is a taxon with the rank species within the genus Erigeron
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Statements
taxon/id/Erigeron filifolius (Hooker) Nuttall
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Erigeron filifolius (Hooker) Nuttall
Erigeron filifolius
(Hooker) Nuttall
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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vergerette à feuilles filiformes (French)
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CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-BC
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US-CA
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US-ID
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US-MT
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US-NV
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US-OR
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US-UT
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US-WA
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400–2400 m
400 meter
2,400 meter
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taprooted, caudices multicipital, often with relatively short and thin, stemlike, lignescent branches.
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Stems erect, sparsely to densely strigose (hairs loosely appressed to ascending, fine), densely white-strigose at least proximally, eglandular.
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Leaves basal (usually persistent, not clustered as rosettes) and cauline;
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basal blades linear to filiform, 10–80 × 0.5–2.5 (–3.5) mm, cauline gradually or little reduced distally, margins entire, faces sparsely to moderately strigose, eglandular.
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Heads 1–5 (–10+) from distal branches, tending to in corymbiform arrays.
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Involucres 4–7 × 5–-18 mm.
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Ray-florets (15–) 20–125;
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corollas usually blue, sometimes white, pink, or pale lavender, 3–13 mm, laminae coiling.
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Disc corollas 2.5–5.5 mm.
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Cypselae 1.4–1.8 (–2) mm, 2-nerved, faces sparsely strigose to glabrate;
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pappi: outer of setae, inner of 20–30 bristles.
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strigose
sparsely to densely
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white-strigose
densely; at-least proximally; proximally
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strigose
sparsely to moderately
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