| Family | FABACEAE |
| Genus species | Trifolium elmeri Greene trib. Trifolieae |
| Bibliography | Pittonia 3: 223 (1897) |
| Native Range | Oregon to California |
| Primary Biome | Temperate |
| Habitat | alluvial gravel |
| Altitude | 600-2400m |
| Description | glabrous, stems erect, leaves petiolate, leaflets 3, elliptic-lanceolate, acute, distinctly dentate, 4-6cm, floral heads subspherical, ca. 3cm broad, calyx lanate |
| Size | 20-35cm |
| Color | white |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | gravelly, humous, moist, sunny site alpine house, moist, humous, gravelly soil, sun |
| Propagation | |
| Synonyms | Trifolium longipes var. elmeri McDermott Trifolium longipes ssp. elmeri (Greene) J.M.Gillett |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (CAL California) |