Wyoming Rare Plant Field Guide
Lesquerella arenosa var. argillosa
- Similar Species: L. arenosa var. arenosa has fruit with spreading hairs. L. ludoviciana has taller stems, narrower leaves, and non-secund fruit. Other Lesquerella spp. have wider basal leaves or S-shaped fruit stalks.
- Flowering/Fruiting Period: April-June/May-July.
- Distribution: Endemic to E Wyoming (Converse and Niobrara Co.), SW South Dakota, and W Nebraska. Reports from Crook Co., Wyoming may be var. arenosa.
- Habitat: Dry, open rock outcrops of gravel, shale, or limestone and barren, often seleniferous, roadsides. Elev. 4200-4300 ft.
- References: Dorn 1992 b; Hartman and Nelson 1994; Marriott 1992 a; Ode 1988; Rollins and Shaw 1973.