U.S.A., Oregon, Malheur, Approx. 47 km SW of Marsing, ID, 1 km E of Hwy #95, and 1 km W of the ID/OR line. Coal Mine Basin Area of Critical Concern.
43.211559 -117.0354
43° 12.6940002' N, 117° 2.122' W
1329 meters
4360 ft.
Artemisia arbuscula-Pseudoroegneria spicata site, with Poa secunda, Chrysothamnus viscidiflorus, and various forbs.
On soil. Filed under 2655a (Psora luridella) First collection in Oregon, second collection for PNW. Det: Lendemer says P. luridella, McCune says P. luridella and P. globifera.