Thamnolia vermicularis
PNW
AK
BC
OR
WA
YK
472 specimens from 9 herbaria:
Alaska (249)
British Columbia (130)
Oregon (14)
Washington (66)
Yukon Territory (13)
12 images from 6 herbaria:
ALA (2)
OSC (2)
RR (1)
SRP (3)
UAAH (1)
WTU (3)