Persicaria pensylvanica
PNW
AK
BC
ID
MT
OR
20 specimens from 9 herbaria:
Alaska (3)
British Columbia (5)
Idaho (7)
Montana (1)
Oregon (4)
11 images from 7 herbaria:
CIC (1)
ID (1)
IDE (2)
IDS (1)
MONT (1)
OSC (3)
SRP (2)