Sparganium natans
PNW
AK
BC
ID
MT
OR
WA
266 specimens from 21 herbaria:
Alaska (6)
British Columbia (87)
Idaho (48)
Montana (25)
Oregon (31)
Washington (65)
133 images from 20 herbaria:
BABY (2)
BBLM (1)
BLMMD (1)
CIC (7)
EWU (1)
HPSU (5)
ID (34)
IDS (1)
MONT (2)
MONTU (19)
MORA (1)
NOCA (5)
OSC (15)
REED (1)
SRP (6)
UAAH (4)
UBC (7)
WS (1)
WTU (19)
WWB (1)