Arnica à feuilles étroites

Arnica alpina (Linnaeus) Olin & Ladau subsp. attenuata (Greene) Maguire; A. alpina var. attenuata (Greene) Ediger & T. M. Barkley; A. alpina subsp. iljinii Maguire; A. alpina var. linearis Hultén; A. alpina subsp. sornborgeri (Fernald) Maguire; A. alpina var. vestita Hultén; A. attenuata Greene; A. plantaginea Pursh; A. sornborgeri Fernald; A. terrae-novae Fernald

Leaves linear to broadly lanceolate, faces glabrous or moderately villous. Involucres: bases densely pilose, sometimes stipitate-glandular as well. 2n = 38, 57, 76, 95.

Flowering May–Sep. Alpine slopes and ridges to Arctic tundra; 0–1500 m; Greenland; Alta., B.C., Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., Yukon; Alaska, Mont.; Europe; Asia.