Usnea
scabrata
PNW
AK
BC
ID
MT
OR
WA
1027 specimens from 9 herbaria:
Alaska (7)
British Columbia (63)
Idaho (16)
Montana (16)
Oregon (748)
Washington (177)
940 images from 5 herbaria:
ALA (3)
OSC (932)
RR (1)
SRP (3)
SRP-L (1)