| Family | APIACEAE |
| Genus species | Lomatium roseanum Cronquist |
| Bibliography | Great Basin Naturalist 52: 75 (1992) |
| Native Range | se. Oregon to ne. Nevada |
| Primary Biome | Temperate |
| Habitat | grassland |
| Description | basal leaves ternate, ultimate segments linear, 4-8mm long, umbels very crowded, involucre absent, bracts of involucel 3-4, small, achenes oblong, 6-8mm |
| Size | 15-25cm |
| Color | dark yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed when ripe or as soon as possible |
| Synonyms | Cogswellia leibergii (J.M.Coult. & Rose) M.E.Jones Leptotaenia leibergii J.M.Coult. & Rose Lomatium leibergii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (NEV Nevada) |