California Native Plant Link Exchange
PLANT INFORMATION

Polygonum polystachyum - Himalayan knotweed

SEARCH for plants

SESSION

CHECKLIST

SOURCES

NEWS - FEATURES

None of the links on this page are sponsored.
Calflora:  Taxon Report USDA PLANTS
Plant Characteristics CalPhotos
Distribution by watershed Google Image
Observation Hotline Google
Lifeform:
Perennial herb 		Family:
Polygonaceae 		Not Native
What plants grow with Polygonum polystachyum ?

Plant Communities:
Weed (disturbed places)
wetland-riparian

Synonyms:
Aconogonum polystachyum
Persicaria wallichii

Distribution

Counties:
Del Norte
Humboldt
Mendocino
Santa Cruz

Mobile Version of this page