Diphyscium vinealis (Brid.) Zand. var. brachyphyllus (Sull.) Zand.
Annotated by McIntosh, T. T., 1983.

Washington: Whitman County: Steptoe Canyon road.
46.478323° N, 117.179436° W; T11N R45E S33
Coordinate Source: Estimated.
On ash soil of road bank. Also: Tortula brevipes, Trichostomopsis anotralasii, and Pseudocrossidium revoluta.

Mary Barkworth 690, Apr 7, 1973
With
WS, Accession: 267130