Parmeliopsis ambigua
PNW
AK
BC
ID
MT
OR
WA
1600 specimens from 11 herbaria:
Alaska (30)
British Columbia (136)
Idaho (292)
Montana (244)
Oregon (512)
Washington (382)
1396 images from 6 herbaria:
BBLM (1)
OSC (1366)
RR (17)
SRP (3)
SRP-L (4)
WTU (5)