Melanohalea exasperatula
PNW
AK
BC
ID
MT
OR
WA
1396 specimens from 6 herbaria:
Alaska (26)
British Columbia (10)
Idaho (413)
Montana (199)
Oregon (508)
Washington (240)
1381 images from 4 herbaria:
ALA (9)
CRMO (1)
OSC (1363)
RR (8)