Persicaria wallichii
PNW
AK
BC
ID
OR
WA
83 specimens from 15 herbaria:
Alaska (9)
British Columbia (6)
Idaho (1)
Oregon (46)
Washington (21)
40 images from 12 herbaria:
CIC (1)
HPSU (5)
ID (2)
IDS (1)
OSC (15)
SOC (5)
SRP (3)
TFBLM (1)
UBC (1)
WS (1)
WTU (4)
WWB (1)