| Family | ASTERACEAE |
| Genus species | Arnica lonchophylla Greene trib. Heliantheae |
| Bibliography | Pittonia 4: 164 (1900) |
| Native Range | Subarctic America to Canada, Minnesota to Wyoming |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Altitude | 0-1500m |
| Description | leaves petiolate, lanceolate to ovate, coarsely dentate, opposite, upper leaves small, sessile, capitula 1-7, glandular, achenes 4-6mm, pubescent, pappus white |
| Size | 10-50cm |
| Color | yellow |
| Bloom | summer |
| Ca | + |
| Type | perennial |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Arnica alpina ssp. lonchophylla (Greene) G.W.Douglas & Ruyle-Dougl. Arnica alpina var. lonchophylla (Greene) S.L.Welsh Arnica angustifolia ssp. lonchophylla (Greene) G.W.Douglas & Ruyle-Dougl. Arnica arnoglossa Greene Arnica chionopappa Fernald Arnica fernaldii Rydb. Arnica gaspensis Fernald Arnica lonchophylla ssp. arnoglossa (Greene) Maguire Arnica lonchophylla var. arnoglossa (Greene) B.Boivin Arnica lonchophylla ssp. chionopappa (Fernald) Maguire Arnica lonchophylla ssp. genuina Maguire |
| Territory | 7 Northern America 70 Subarctic America (ASK Alaska, NUN Nunavut, NWT Northwest Territories, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba, SAS Saskatchewan) 72 Eastern Canada (NBR New Brunswick, NFL Newfoundland, NSC Nova Scotia, ONT Ontario, QUE Québec) 73 Northwestern U.S.A. (WYO Wyoming) 74 North-Central U.S.A. (MIN Minnesota, SDA South Dakota) |