Persicaria hydropiper
PNW
BC
ID
MT
OR
WA
489 specimens from 28 herbaria:
British Columbia (64)
Idaho (69)
Montana (14)
Oregon (189)
Washington (153)
289 images from 24 herbaria:
BABY (1)
BBLM-OWY (1)
BLMVL (2)
CIC (8)
COCC (2)
CRMO (1)
HPSU (23)
ID (40)
IDE (1)
IDS (12)
MONT (5)
MONTU (12)
NOCA (7)
OSC (84)
PLU (3)
PSM (3)
SOC (4)
SRP (20)
UBC (5)
UWB (2)
WCW (1)
WS (3)
WTU (28)
WWB (21)