Psora
himalayana
PNW
AK
BC
ID
MT
WA
YK
49 specimens from 6 herbaria:
Alaska (22)
British Columbia (15)
Idaho (5)
Montana (5)
Washington (1)
Yukon Territory (1)
16 images from 3 herbaria:
RR (9)
SRP (6)
SRP-L (1)
