Persicaria hydropiperoides
PNW
BC
ID
OR
WA
207 specimens from 20 herbaria:
British Columbia (37)
Idaho (19)
Oregon (88)
Washington (63)
111 images from 17 herbaria:
BBLM-OWY (1)
CRMO (1)
HPSU (18)
ID (7)
IDS (7)
MONT (1)
NOCA (6)
OSC (41)
PLU (1)
PSM (1)
SOC (1)
SRP (4)
UBC (1)
UWB (2)
WS (1)
WTU (13)
WWB (5)