| Family | ASTERACEAE |
| Genus species | Arnica cordifolia Hook. trib. Heliantheae |
| Bibliography | Fl. Bor.-Amer. 1(suppl.): 331 (1834) |
| Native Range | Subarctic America to w. & wc. USA |
| Primary Biome | Temperate |
| Habitat | grassland and woods |
| Altitude | 500-3000m |
| Description | leaves cordate, mostly dentate, lower leaves long petiolate, capitula 1-3, involucre broadly campanulate, phyllaries narrowly ovate to lanceolate, ligules 6-13 |
| Size | 10-60cm |
| Color | yellow |
| Bloom | 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 abortiva Greene Arnica andersonii Piper Arnica austinae Rydb. Arnica chionophila Greene Arnica cordifolia ssp. genuina Maguire Arnica cordifolia var. humilis (Rydb.) Maguire Arnica cordifolia var. macrophylla (Nutt.) Maguire Arnica cordifolia var. pumila (Rydb.) Maguire Arnica cordifolia ssp. whitneyi (Fernald) Maguire Arnica evermannii Greene Arnica hardinae H.St.John Arnica humilis Rydb. Arnica macrophylla Nutt. Arnica microphylla Walp. Arnica paniculata A.Nelson Arnica pumila Rydb. Arnica subcordata Greene Arnica whitneyi Fernald Senecio cumingii Klatt |
| Territory | 7 Northern America 70 Subarctic America (NWT Northwest Territories, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba, SAS Saskatchewan) 72 Eastern Canada (ONT Ontario) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 74 North-Central U.S.A. (SDA South Dakota) 75 Northeastern U.S.A. (MIC Michigan) 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |
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