| Family | BRASSICACEAE |
| Genus species | Boechera williamsii (Rollins) Dorn |
| Bibliography | Vasc. Pl. Wyoming, ed. 3: 376 (2001) |
| Native Range | Wyoming |
| Primary Biome | Temperate |
| Habitat | rocks and scree |
| Altitude | 2300-2800m |
| Description | stems glabrous, lower leaves oblanceolate, entire, petiolate, sparsely hirsute, stem leaves 6-11, glabrous, raceme 5-17-flowered, sepals glabrous, petals 3-4mm long |
| Size | 7-20cm |
| Color | white |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in fall; cuttings in late summer |
| Synonyms | Arabis williamsii Rollins |
| Territory | 7 Northern America 73 Northwestern U.S.A. (WYO Wyoming) |