Usnea
scabrata
PNW
AK
BC
ID
MT
OR
WA
184 specimens from 9 herbaria:
Alaska (7)
British Columbia (63)
Idaho (15)
Montana (14)
Oregon (58)
Washington (27)
97 images from 5 herbaria:
ALA (3)
SRP-L (1)
OSC (89)
SRP (3)
RR (1)