Carex atratiformis
PNW
AK
BC
ID
MT
OR
WA
38 specimens from 11 herbaria:
Alaska (4)
British Columbia (22)
Idaho (3)
Montana (1)
Oregon (1)
Washington (1)
19 images from 8 herbaria:
BOIS (2)
CIC (1)
ID (1)
MONT (1)
UAAH (2)
UBC (10)
WS (1)
WWB (1)