Physcia tenella
PNW
AK
BC
ID
MT
OR
WA
144 specimens from 9 herbaria:
Alaska (11)
British Columbia (32)
Idaho (9)
Montana (3)
Oregon (45)
Washington (44)
75 images from 4 herbaria:
ALA (10)
RR (14)
OSC (50)
SRP (1)