| Family | APIACEAE |
| Genus species | Lomatium attenuatum Evert |
| Bibliography | Madrońo 30: 143 (1983) |
| Native Range | Montana to Wyoming |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Altitude | 1700-2700m |
| Description | leaves broadly lanceolate, petiolate, 3-4-pinnatipartie, ultimate segments oblong-linear, 2-5mm, scabrous, inflorescence open, compound umbel, achenes glabrous |
| Size | 5-25cm |
| Color | yellow |
| Bloom | spring |
| Ca | + |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed when ripe or as soon as possible |
| Territory | 7 Northern America 73 Northwestern U.S.A. (MNT Montana, WYO Wyoming) |