Xanthoria
candelaria
PNW
AK
BC
ID
MT
OR
WA
YK
310 specimens from 7 herbaria:
Alaska (75)
British Columbia (71)
Idaho (30)
Montana (22)
Oregon (38)
Washington (73)
Yukon Territory (1)
128 images from 4 herbaria:
ALA (24)
OSC (80)
RR (14)
SRP (10)