| Family | BRASSICACEAE |
| Genus species | Physaria mcvaughiana (Rollins) O´Kane & Al-Shehbaz |
| Bibliography | Novon 12: 325 (2002) |
| Native Range | Texas to ne. Mexico |
| Primary Biome | Desert or Dry Shrubland |
| Habitat | dry, rocky slopes |
| Altitude | 1200-1600m |
| Description | densely pubescent, lower leaves long petiolate, elliptic, entire, stem leaves oblanceolate, sessile, flowers in short compact raceme, petals rhombic, 6-10mm long |
| Size | 5-30cm |
| Color | white |
| Bloom | spring |
| Ca | + |
| Type | perennial |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C cuttings of rosettes in late summer |
| Synonyms | Lesquerella mcvaughiana Rollins |
| Territory | 7 Northern America 77 South-Central U.S.A. (TEX Texas) 79 Mexico (MXE Mexico Northeast) |