Cetraria ericetorum
PNW
AK
BC
MT
WA
YK
220 specimens from 7 herbaria:
Alaska (60)
British Columbia (116)
Montana (6)
Washington (30)
Yukon Territory (8)
43 images from 5 herbaria:
ALA (27)
RR (9)
SRP (4)
SRP-L (2)
WTU (1)