Persicaria pensylvanica
PNW
AK
BC
ID
MT
OR
27 specimens from 9 herbaria:
Alaska (12)
British Columbia (5)
Idaho (4)
Montana (1)
Oregon (5)
14 images from 6 herbaria:
ALA (9)
CIC (1)
ID (1)
IDE (1)
IDS (1)
MONT (1)