Umbilicaria
torrefacta
PNW
AK
BC
ID
MT
OR
WA
186 specimens from 12 herbaria:
Alaska (73)
British Columbia (37)
Idaho (8)
Montana (2)
Oregon (18)
Washington (48)
64 images from 7 herbaria:
ALA (46)
CRMO (2)
MCC (1)
OSC (8)
RR (4)
SRP (2)
SRP-L (1)