Physcia dubia
PNW
AK
BC
ID
MT
OR
WA
YK
107 specimens from 9 herbaria:
Alaska (26)
British Columbia (38)
Idaho (10)
Montana (7)
Oregon (6)
Washington (19)
Yukon Territory (1)
25 images from 5 herbaria:
ALA (12)
RR (3)
CRMO (1)
OSC (8)
BBLM (1)