| Family | BRASSICACEAE |
| Genus species | Physaria ludoviciana (Nutt.) O´Kane & Al-Shehbaz |
| Bibliography | Novon 12: 325 (2002) |
| Native Range | w. & c. USA |
| Primary Biome | Temperate |
| Habitat | steppes |
| Altitude | 0-2200m |
| Description | grey, scabrous, basal leaves 2-10cm, oblong-lanceolate to narrowly oblanceolate, stem leaves linear, raceme many flowered, composite, petals 6-15mm, silicles spherical |
| Size | 10-35cm |
| Color | yellow, reddish |
| Bloom | summer |
| Ca | + |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C cuttings of rosettes in late summer |
| Synonyms | Alyssum ludovicianum Nutt. Lesquerella argentea MacMill. Lesquerella ludoviciana (Nutt.) S.Watson Myagrum argenteum Pursh Vesicaria ludoviciana (Nutt.) DC. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, MNT Montana, WYO Wyoming) 74 North-Central U.S.A. (ILL Illinois, IOW Iowa, KAN Kansas, MIN Minnesota, NDA North Dakota, NEB Nebraska, OKL Oklahoma, SDA South Dakota, WIS Wisconsin) 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |