Collema furfuraceum
PNW
AK
BC
ID
MT
OR
WA
140 specimens from 9 herbaria:
Alaska (15)
British Columbia (29)
Idaho (7)
Montana (2)
Oregon (35)
Washington (52)
81 images from 5 herbaria:
OSC (74)
RR (3)
SRP (1)
UAAH (1)
WTU (2)