Grimmia donniana Sm. ssp. arenaria (Hamp.) Dix.

Yukon Territory: Itsi Range, Selwyn Mts., N end of unnamed lake, S of Fuller Lake; Co.:. Elev. 1600-1700 m
62° 56' N, 130° 09' W
On East facing granitic and slate outcrops just above North end of lake in mesic tundra dominated by Betula pumila and Vaccinium uliginosum. Oedipodium present in crevices of granitic rock.;. ; ;.

Dale H. Vitt s.n., Aug 12, 1978
UBC