Umbilicaria
polyphylla
PNW
AK
BC
ID
MT
OR
WA
114 specimens from 7 herbaria:
Alaska (6)
British Columbia (55)
Idaho (3)
Montana (3)
Oregon (10)
Washington (37)
15 images from 5 herbaria:
ALA (3)
OSC (6)
RR (4)
SRP (1)
WTU (1)