Caulanthus pilosus S. Watson
Annotated by B. Corbin, May 2017.

Idaho: Owyhee County: On top of barren lacustrine/ash outcrop north of the dirt road (to Snake River Birds of Prey Conservation Area) that leaves Hwy 78 0.8 miles southeast of Sinker Ck. Ash beds are about 4 miles east of Hwy 78. Plants located west of lat long cited. Elev. 2900 ft
43.12941° N, 116.39468° W
Datum: WGS 84. Uncertainty: 745 meters. Coordinate Source: GeoLocate.
On barren lacustrine deposits with little plant cover. Nearby dominants include Elymus elymoides, Poa secunda (sandbergii), Tetradymia canescens, and Chrysothamnus viscidiflorus var. puberulus. Phenology: Fertile.

D. Mansfield 15-023, May 23, 2015
CIC, Accession: 050513