Isopterygiosis muelleriana (Schimp.) Iwats.

Alaska: In low shrub tundra along pennell mountain trail at twelve mile summit. Elev. 914-1067 m
65 23'N, 145 57'W
Moist, shaded north facing outcrop-no direct rainfall.

D. H. Norris s.n., sept. 11-25, 1979
UBC