| Family | ASTERACEAE |
| Genus species | Arnica chamissonis Less. trib. Heliantheae |
| Bibliography | Linnaea 6: 238 (1831) |
| Native Range | Subarctic America to w. USA and New Mexico |
| Primary Biome | Temperate |
| Habitat | grassland and woods |
| Altitude | 0-3500m |
| Description | stems grey hirsute, leaves narrowly lanceolate, sparsely denticulate, hirsute, acute, upper leaves linear, sessile, capitula 1-3, involucre crateriform, ligules 12mm, veined |
| Size | 15-90cm |
| Color | yellow |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | cold, semi-shady site with a humous, moist soil alpine house, moist, humous soil, semi-shade |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Arnica bernardina Greene Arnica bruceae Rydb. Arnica cana Greene Arnica celsa A.Nelson Arnica chamissonis var. andina (Nutt.) Ediger Arnica chamissonis var. bernardina (Greene) Jeps. ex Maguire Arnica chamissonis ssp. foliosa (Nutt.) Maguire Arnica chamissonis ssp. genuina Maguire Arnica chamissonis ssp. incana (A.Gray) Maguire Arnica chamissonis var. incana A.Gray Arnica chamissonis f. incana (A.Gray) B.Boivin Arnica chamissonis ssp. incana (A.Gray) Maguire Arnica chamissonis var. interior Maguire Arnica chamissonis var. jepsoniana Maguire Arnica chamissonis var. longinodosa A.Nelson Arnica chamissonis var. maguieri (A.Nelson) Maguire Arnica columbiana Greene Arnica exigua A.Nelson Arnica foliosa Nutt. Arnica foliosa var. andina Nutt. Arnica foliosa var. bernardina (Greene) Jeps. Arnica foliosa var. incana A.Gray Arnica greenei A.Nelson Arnica incana (A.Gray) Greene Arnica kodiakensis Rydb. Arnica lanulosa Greene Arnica maguirei A.Nelson Arnica montana Hook. Arnica ocreata A.Nelson Arnica rhizomata A.Nelson Arnica rubricaulis Greene Arnica stricta A.Nelson Arnica tomentulosa Rydb. Arnica wilsonii Rydb. |
| Territory | 7 Northern America 70 Subarctic America (ASK Alaska, NWT Northwest Territories, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba, SAS Saskatchewan) 72 Eastern Canada (ONT Ontario, QUE Québec) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |