Cetraria islandica ssp. crispiformis
PNW
AK
BC
MT
WA
YK
39 specimens from 5 herbaria:
Alaska (5)
British Columbia (20)
Montana (1)
Washington (6)
Yukon Territory (7)
6 images from 3 herbaria:
RR (3)
SRP (2)
WTU (1)