Hypogymnia bitteri
PNW
AK
BC
MT
WA
YK
141 specimens from 6 herbaria:
Alaska (121)
British Columbia (14)
Montana (1)
Washington (2)
Yukon Territory (3)
77 images from 5 herbaria:
ALA (30)
OSC (36)
RR (6)
SRP (2)
WTU (3)