Elodea canadensis
PNW
AK
BC
ID
MT
OR
WA
486 specimens from 27 herbaria:
Alaska (8)
British Columbia (59)
Idaho (56)
Montana (68)
Oregon (121)
Washington (174)
268 images from 22 herbaria:
ALA (3)
BABY (1)
CIC (15)
DPP (1)
EWU (1)
HPSU (19)
ID (53)
IDE (2)
IDS (7)
MONT (7)
MONTU (31)
NOCA (3)
PLU (4)
PSM (1)
SOC (6)
SRP (13)
UAAH (5)
UBC (3)
VALE (1)
WCW (1)
WTU (76)
WWB (15)