Carex atrosquama Mack. × HeteroneuraWashington: Okanogan County: Northeast slope of Slate Mountain. Elev. 7314 ft.
48° 44.5' N, 120° 40.8' W
Rocky soil near treeline, full sun, with Carex atrosquama, C. phaeocephala, Cassiope, Empetrum, Oxyria, Sibbaldia; steep alpine slope, base of pale gray boulder field. Loosely cespitose, dark purple papillose perigynia mostly obovate. Phenology: Flowers & Fruits.
Peter F. Zika 24673A, Sep 4, 2009
WTU, Accession: 379469