Umbilicaria torrefacta
PNW
AK
BC
ID
MT
OR
WA
175 specimens from 10 herbaria:
Alaska (73)
British Columbia (36)
Idaho (8)
Montana (2)
Oregon (10)
Washington (46)
34 images from 6 herbaria:
ALA (24)
RR (4)
SRP (2)
CRMO (2)
SRP-L (1)
MCC (1)