| Family | ASTERACEAE |
| Genus species | Arnica louiseana Farr trib. Heliantheae |
| Bibliography | Ottawa Naturalist 20: 109 (1906) |
| Native Range | Alberta to British Columbia |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 1800-2100m |
| Description | stem leaves petiolate, elliptic to oblong, entire, obtuse, usually glabrous, glandular, capitula 1-3, pendent, involucre campanulate, phyllaries narrowly lanceolate |
| Size | 5-20cm |
| Color | yellow |
| Bloom | summer |
| Ca | + |
| Type | perennial |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Arnica louiseana var. genuina Maguire Arnica louiseana ssp. genuina Maguire |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta, BRC British Columbia) |