Calliergon richardsonii
PNW
AK
BC
ID
MT
OR
WA
YK
317 specimens from 8 herbaria:
Alaska (274)
British Columbia (19)
Idaho (1)
Montana (3)
Oregon (2)
Washington (8)
Yukon Territory (10)
101 images from 3 herbaria:
ALA (4)
UAAH (91)
WTU (6)