Parmeliopsis ambigua
PNW
AK
BC
ID
MT
OR
WA
YK
868 specimens from 8 herbaria:
Alaska (84)
British Columbia (129)
Idaho (269)
Montana (192)
Oregon (51)
Washington (139)
Yukon Territory (4)
644 images from 5 herbaria:
ALA (28)
OSC (595)
RR (17)
SRP (3)
BBLM (1)