| Family | FABACEAE |
| Genus species | Trifolium leibergii A.Nels. & J.F.Macbr. trib. Trifolieae |
| Bibliography | Bot. Gaz. 65: 58 (1918) |
| Native Range | Oregon |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 2000-2400m |
| Description | densely grey villose, leaves tripartite, leaflets spiny-serrate, flowers in spherical heads, pod densely hirsute |
| Size | 10-15cm |
| Color | whitish pink |
| Bloom | late spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C division in spring; basal cuttings in late spring and summer |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) |