Parmelia sulcata
PNW
AK
BC
ID
MT
OR
WA
3352 specimens from 13 herbaria:
Alaska (366)
British Columbia (274)
Idaho (229)
Montana (236)
Oregon (1427)
Washington (820)
2827 images from 7 herbaria:
ALA (174)
BBLM (1)
BLMMD (2)
OSC (2626)
RR (18)
SRP (2)
WTU (4)