U.S.A., Wyoming, Sublette, Green River Basin: Ross Ridge and North Fork of Alkali Draw, ca 15 air mi E of Big Piney.
T30N R109W S28 W1/2
2171 meters
7120 ft.
Across lower slopes, fans and steppe openings in bottoms, all aspects, 0-5% slope, on gray shale-clay, with Chrycothamnus viscidiflorus, Elymus elymoides, Phlox muscoides, genetics voucher.