Orthotrichum leavigatum Zett.

Washington: Asotin County: Between Lime Hill and the mouth of the Grande Ronde River.
46.08028° N, 116.97861° W; T7N R47E S19
Coordinate Source: Estimated.
South-facing basalt slope; growing on basalt rock faces, mostly where moderately shaded.

Curtis R. Bjork 4956, Dec 3, 1999
WS, Accession: 361301