Carex nigricans
PNW
AK
BC
ID
MT
OR
WA
YK
919 specimens from 28 herbaria:
Alaska (111)
British Columbia (218)
Idaho (86)
Montana (140)
Oregon (110)
Washington (253)
Yukon Territory (1)
291 images from 21 herbaria:
ALA (8)
BABY (1)
CIC (9)
EWU (1)
HPSU (1)
ID (54)
IDS (1)
LEA (2)
MONT (17)
MONTU (73)
NOCA (23)
PLU (8)
PSM (10)
REED (7)
RM (14)
SRP (7)
UBC (19)
USFS (3)
WSTC (1)
WTU (4)
WWB (28)