Psora nipponica
PNW
AK
BC
ID
MT
OR
WA
YK
78 specimens from 10 herbaria:
Alaska (3)
British Columbia (14)
Idaho (16)
Montana (6)
Oregon (17)
Washington (21)
Yukon Territory (1)
24 images from 6 herbaria:
ALA (1)
CRMO (2)
SRP (4)
RR (14)
BBLM (1)
SRP-L (2)