| Family | ASTERACEAE |
| Genus species | Agoseris grandiflora (Nutt.) Greene trib. Cichorieae |
| Bibliography | Pittonia 2: 178 (1891) |
| Native Range | w. Canada to w. USA |
| Primary Biome | Temperate |
| Habitat | grassland |
| Altitude | 10-2500m |
| Description | basal leaves linear or obovate, 10-40cm, entire to pinnatifid, dentate or ciliate, tomentose, peduncles apically lanate, capitula solitary, involucre campanulate |
| Size | 15-60cm |
| Color | yellow |
| Bloom | late spring, 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, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Agoseris cinerea Greene Agoseris grandiflora var. intermedia (Greene) Jeps. Agoseris grandiflora var. plebeia G.L.Wittr. Agoseris intermedia Greene Agoseris marshallii (Greene) Greene Agoseris plebeia (Greene) Greene Macrorhynchus grandiflorus (Nutt.) Torr. & A.Gray Stylopappus grandiflorus Nutt. Troximon grandiflorum (Nutt.) A.Gray Troximon marshallii Greene Troximon plebeium Greene |
| Territory | 7 Northern America 71 Western Canada (BRC British Columbia) 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington) 76 Southwestern U.S.A. (CAL California, NEV Nevada, UTA Utah) 79 Mexico (MXN Mexico Northwest) |