Difference between revisions of "Arnica rydbergii Greene (Q2836)"
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Latest revision as of 12:53, 24 June 2022
Arnica rydbergii is a taxon with the rank species within the genus Arnica
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Arnica rydbergii Greene
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Arnica rydbergii is a taxon with the rank species within the genus Arnica
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taxon/id/Arnica rydbergii Greene
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Arnica rydbergii Greene
Arnica rydbergii
Greene
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
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CA-AB
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Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
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-AB
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CA-BC
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US-CO
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US-ID
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US-MT
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US-OR
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US-UT
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US-WA
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US-WY
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1200–3400 m
1,200 meter
3,400 meter
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Stems (branches from rhizomes) simple.
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Leaves 2–4 pairs (basal often persistent on sterile rosettes), mostly cauline;
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petiolate (at least basal) or sessile;
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blades oblanceolate to spatulate, 2–7 × 0.5–2.5 cm, margins usually entire, sometimes denticulate, rarely dentate, apices usually acute, sometimes obtuse, faces sparsely puberulent, moderately pubescent distally, stipitate-glandular.
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Involucres turbinate-campanulate.
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Phyllaries 9–15, linear-oblong to narrowly lanceolate.
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Disc-florets: corollas yellow;
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Cypselae brown, 4–7 mm, densely hirsute (not stipitate-glandular);
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pappi white, bristles barbellate.
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pubescent
moderately; distally
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linear-oblong
narrowly lanceolate
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