| Family | BRASSICACEAE |
| Genus species | Physaria occidentalis (S.Watson) O´Kane & Al-Shehbaz |
| Bibliography | Novon 12: 326 (2002) |
| Native Range | w. USA |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 600-3400m |
| Description | basal leaves numerous, ovate to oblanceolate, thinly petiolate, raceme elongate, petals 7-10mm long, silicles ovoid-oblong, 4-6mm long, subventricose |
| Size | 5-15cm |
| Color | yellow |
| Bloom | summer |
| Ca | + |
| Type | perennial |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C cuttings of rosettes in late summer |
| Synonyms | Lesquerella cusickii M.E.Jones Lesquerella occidentalis S.Watson Lesquerella occidentalis ssp. cusickii (M.E.Jones) Maguire & A.H.Holmgren Lesquerella occidentalis var. cusickii (M.E.Jones) C.L.Hitchc. Vesicaria occidentalis S.Watson |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, ORE Oregon, WAS Washington) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |