Parmelia
sulcata
PNW
AK
BC
ID
MT
OR
WA
1592 specimens from 11 herbaria:
Alaska (367)
British Columbia (251)
Idaho (198)
Montana (181)
Oregon (276)
Washington (319)
1035 images from 7 herbaria:
ALA (118)
OSC (893)
RR (18)
SRP (2)
BBLM (1)
BLMMD (2)
WTU (1)