| Family | BRASSICACEAE |
| Genus species | Physaria eburniflora Rollins |
| Bibliography | Brittonia 33: 333 (1981) |
| Native Range | Wyoming |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 1800-3000m |
| Description | silvery pubescent, leaves entire, ovate, obtuse, 15-25mm, in flat rosette, flowers 9-12mm long, silicles ventricose, to 1cm wide, densely adpressed pubescent |
| Size | 5-10cm |
| Color | white |
| Bloom | spring |
| 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 |
| Territory | 7 Northern America 73 Northwestern U.S.A. (WYO Wyoming) |