Persicaria hydropiper
PNW
AK
BC
ID
MT
OR
WA
455 specimens from 29 herbaria:
Alaska (2)
British Columbia (65)
Idaho (62)
Montana (14)
Oregon (165)
Washington (147)
167 images from 22 herbaria:
ALA (2)
BABY (1)
BBLM-OWY (1)
BLMVL (2)
CIC (7)
CRMO (1)
HPSU (13)
ID (31)
IDE (1)
IDS (12)
MONT (5)
MONTU (12)
NOCA (7)
PLU (3)
PSM (5)
SOC (4)
SRP (14)
UBC (5)
UWB (2)
WCW (1)
WTU (17)
WWB (21)