| Family | ASTERACEAE |
| Genus species | Tonestus lyallii A.Nelson trib. Astereae |
| Bibliography | Bot. Gaz. 37: 262 (1904) |
| Native Range | w. Canada to w. USA |
| Primary Biome | Temperate |
| Habitat | grassland and rocks |
| Altitude | 1500-3800m |
| Description | taproot, leaves intensely glandular strigose, oblanceolate to spathulate, basal leaves largest, 15-70mm, capitula solitary, campanulate, ligules 13-35, 6-11mm long |
| Size | 5-15cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 16-21°C cuttings in spring and late summer |
| Synonyms | Aster jamesii Kuntze Haplopappus lyallii A.Gray Haplopappus lyallii var. hallii A.Gray Hoorebekia lyallii Piper Pyrrocoma lyallii Rydb. Stenotus lyallii Howell |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta, BRC British Columbia) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |