U.S.A., Wyoming, Sublette, Green River Basin: south end of Ross Butte, ca 0.9 mi N of Ross Ridge, ca 1 mi ESE of New Fork River, ca 1.5 mi SE of Wyo Hwy 351.
42.5705 -109.9242
42.5705° N, 109.9242° W; uncertainty 0.25 mi.; T30N R110W S23 SE1/4 of SE1/4
2165-2195 meters
7100-7200 ft.
West-facing, steep (35%), open slope of loose, fine-textured gray clay with fragments of small shale. Rock cover ca 25%. In Atriplex gardneri/A. confertifolia/Oryzopsis hymenoides community with 10-15% vegetative cover.