Rhizocarpon
geographicum
PNW
AK
BC
ID
MT
OR
WA
YK
186 specimens from 9 herbaria:
Alaska (59)
British Columbia (35)
Idaho (9)
Montana (10)
Oregon (12)
Washington (58)
Yukon Territory (3)
27 images from 5 herbaria:
ALA (4)
RR (12)
BBLM (2)
SRP (8)
VALE (1)