| Family | BRASSICACEAE |
| Genus species | Physaria pycnantha Grady & O´Kane |
| Bibliography | Novon 17: 188 (2007) |
| Native Range | Idaho to Montana |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 1600-2300m |
| Description | densely pubescent, lower leaves linear-spathulate, 2-4cm, entire, stem leaves spathulate, flowers 4-10 in raceme, petals ligulate, 4-6mm, silicles elipsoid, subventricose |
| Size | 3-7cm |
| Color | yellow |
| Bloom | spring, early 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 |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, MNT Montana) |