Melanohalea exasperatula
PNW
AK
BC
ID
MT
OR
WA
730 specimens from 6 herbaria:
Alaska (26)
British Columbia (10)
Idaho (380)
Montana (152)
Oregon (88)
Washington (74)
715 images from 4 herbaria:
ALA (9)
OSC (697)
RR (8)
CRMO (1)