Wyoming Rare Plant Field Guide
Physaria eburniflora
- Similar Species: P. condensata has appressed pubescence on fruits, deeper yellow flowers, and more pointed-tipped leaves. P. didymocarpa has erect fruiting stems exceeding basal leaves by more than 3 cm and may have toothed leaves. P. dornii has wider fruit, and longer, erect basal leaves.
- Flowering/Fruiting Period: May-June/June-July.
- Distribution: Endemic to the Sweetwater and Platte river basins in C Wyoming (Carbon, Fremont, and Natrona Cos.).
- Habitat: Cushion plant communities on calcareous ridges, crumbly sandstone/limestone, or soil crevices in granite outcrops. Elev. 6100-9700 ft.
- References: Dorn 1992 b; Fertig 1993 e; Lichvar 1982; Rollins 1981.
