Fowler's knotweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Polygonaceae
- genus: Polygonum
- species: Polygonum fowleri
Coquitlam
North Vancouver
Port Moody
Sooke
British ColumbiaSummerside
Prince Edward Island
CanadaPort Angeles
Seattle
Washington
United States