| Family | APIACEAE |
| Genus species | Lomatium tuberosum Hoover |
| Bibliography | Leafl. W. Bot. 4: 39 (1944) |
| Native Range | Washington |
| Primary Biome | Temperate |
| Habitat | rocks and scree |
| Altitude | 200-800m |
| Description | basal leaves grey-green, glabrous, finely pinnate, stem leaves absent, flowers in umbels, achenes elliptic, wings narrow and thick |
| Size | 10-30cm |
| Color | pale purple, yellow |
| Bloom | spring |
| Ca | + |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed when ripe or as soon as possible |
| Territory | 7 Northern America 73 Northwestern U.S.A. (WAS Washington) |