| Family | ASTERACEAE |
| Genus species | Arnica angustifolia Vahl trib. Heliantheae |
| Bibliography | Fl. Dan. [G.C.Oeder] 9(26): 3 (1818) |
| Native Range | Subarctic America to nw. USA |
| Primary Biome | Subalpine or Subarctic |
| Habitat | grassland |
| Altitude | 0-2500m |
| Description | conspicuosly long villose-tomentose, leaves entire, basal leaves narrow, 15cm long, stem leaves 1-3 pairs, reduced, capitula solitary, campanulate, ligules 9-12, dentate |
| Size | 5-30cm |
| Color | yellow |
| Bloom | summer |
| Ca | - |
| Type | perennial |
| Cultivation | humous, moist, but in winter drier, semi-shady site alpine house, moist, humous soil, shading in summer |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Aliseta plantaginea Raf. Arnica alpina var. angustifolia (Vahl) Fernald Arnica alpina ssp. angustifolia (Vahl) Maguire Arnica alpina ssp. attenuata (Greene) Maguire Arnica alpina var. attenuata (Greene) Ediger & T.M.Barkley Arnica alpina var. linearis Hultén Arnica alpina var. plantaginea (Pursh) Ediger & T.M.Barkley Arnica alpina ssp. sornborgeri (Fernald) Maguire Arnica alpina var. ungavensis (B.Boivin) B.Boivin Arnica alpina var. vestita Hultén Arnica angustifolia ssp. attenuata (Greene) G.W.Douglas & Ruyle-Dougl. Arnica attenuata Greene Arnica montana var. angustifolia (Vahl) Hook Arnica plantaginea Pursh Arnica pulchella Fernald Arnica sornborgeri Fernald Arnica sornborgeri var. ungavensis B.Boivin Arnica terrae-novae Fernald Doronicum plantagineum Poir. |
| Territory | 0 Circumpolar 7 Northern America 70 Subarctic America (ASK Alaska, GNL Greenland, NUN Nunavut, NWT Northwest Territories, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba, SAS Saskatchewan) 72 Eastern Canada (LAB Labrador, NFL Newfoundland, ONT Ontario, QUE Québec) 73 Northwestern U.S.A. (MNT Montana) |