Xanthoria polycarpa
PNW
AK
BC
ID
MT
OR
WA
407 specimens from 10 herbaria:
Alaska (7)
British Columbia (63)
Idaho (117)
Montana (28)
Oregon (92)
Washington (100)
250 images from 7 herbaria:
ALA (1)
RR (37)
OSC (203)
IDS (2)
SRP (4)
BBLM (2)
WTU (1)