Regulated Act: N/A
Provincial Designation: N/A
Colour: White
Latin Name: Persicaria wallichii Greuter & Burdet formerly Polygonum polystachyum
Fact Sheet1: Click Here to View/Download PDF
![Knotweed-Himalayan A close up of the flowers on a plant](https://abinvasives.ca/wp-content/uploads/bb-plugin/cache/Knotweed-Himalayan-1-square-4caeb4260de8750c1db9eae508786e24-5eea4e20a628a.jpg)
![Knotweed-Himalayan A close up of the flowers on a plant](https://abinvasives.ca/wp-content/uploads/bb-plugin/cache/Knotweed-Himalayan-1-square-4caeb4260de8750c1db9eae508786e24-5eea4e20a628a.jpg)
Regulated Act: N/A
Provincial Designation: N/A
Colour: White
Latin Name: Persicaria wallichii Greuter & Burdet formerly Polygonum polystachyum
Fact Sheet1: Click Here to View/Download PDF