Alectoria
nigricans
PNW
AK
BC
WA
YK
167 specimens from 7 herbaria:
Alaska (111)
British Columbia (33)
Washington (7)
Yukon Territory (16)
66 images from 5 herbaria:
ALA (60)
RR (3)
SRP (1)
SRP-L (1)
WTU (1)
