Phyconia perisidiosa (Erichs.) Moberg

Oregon: Fort rock state monument: 30 km n of silver lake just off hwy. 31. (open shrub desert zone) Elev. 700 m
43 25'N, 121 0'W
Saxicolous on volcanically derived sandstone.

Trevor Goward s.n., april 27, 1990
With H. Knight
UBC