Hippuris vulgaris
PNW
AK
BC
ID
MT
OR
WA
YK
693 specimens from 28 herbaria:
Alaska (235)
British Columbia (71)
Idaho (73)
Montana (103)
Oregon (75)
Washington (109)
Yukon Territory (27)
392 images from 21 herbaria:
ALA (188)
BBLM (1)
CIC (5)
EWU (2)
HPSU (6)
ID (47)
IDS (14)
MONT (24)
MONTU (33)
NOCA (1)
PSM (5)
RM (6)
SBLM (1)
SOC (3)
SRP (9)
UAAH (5)
UBC (17)
UWB (1)
WCW (6)
WTU (9)
WWB (9)