Cetraria
islandica
PNW
AK
BC
ID
MT
OR
WA
YK
520 specimens from 11 herbaria:
Alaska (301)
British Columbia (141)
Idaho (1)
Montana (10)
Oregon (2)
Washington (40)
Yukon Territory (25)
190 images from 8 herbaria:
ALA (162)
IDS (1)
OSC (3)
RR (13)
SRP (3)
SRP-L (2)
UAAH (4)
WTU (2)