Physcia dubia
PNW
AK
BC
ID
MT
OR
WA
YK
117 specimens from 9 herbaria:
Alaska (26)
British Columbia (38)
Idaho (11)
Montana (8)
Oregon (13)
Washington (20)
Yukon Territory (1)
44 images from 5 herbaria:
ALA (21)
BBLM (1)
CRMO (1)
OSC (18)
RR (3)