Xanthoria
sorediata
PNW
AK
BC
ID
MT
OR
WA
38 specimens from 9 herbaria:
Alaska (10)
British Columbia (11)
Idaho (3)
Montana (4)
Oregon (2)
Washington (8)
10 images from 5 herbaria:
ALA (4)
RR (2)
IDS (1)
CRMO (2)
SRP (1)