Pertusaria
subambigens
PNW
AK
BC
ID
OR
WA
145 specimens from 11 herbaria:
Alaska (11)
British Columbia (67)
Idaho (2)
Oregon (26)
Washington (39)
30 images from 6 herbaria:
ALA (10)
OSC (11)
RR (6)
SRP (1)
SRP-L (1)
WTU (1)