Chenopodium album
PNW
AK
BC
ID
MT
OR
WA
YK
700 specimens from 35 herbaria:
Alaska (80)
British Columbia (104)
Idaho (180)
Montana (57)
Oregon (123)
Washington (151)
Yukon Territory (5)
381 images from 30 herbaria:
ALA (59)
BABY (1)
BBLM (3)
BBLM-OWY (4)
BOIS (7)
CIC (10)
CRMO (3)
EWU (10)
HPSU (8)
ID (48)
IDE (4)
IDS (54)
MONT (23)
MONTU (11)
NOCA (7)
PLU (11)
PNNL (2)
PSM (6)
REED (2)
SOC (16)
SRP (25)
UAAH (18)
UBC (6)
USFS (3)
UWB (1)
VALE (6)
WCW (5)
WSTC (2)
WTU (19)
WWB (7)