Land Plants - invasive

Knotweed (Fallopia sp.) on Sep 24, 2019

Originally reported as Japanese Knotweed (Fallopia japonica)

Submitter does not have a specimen
EDRR Status: Local expert notified

Description of specimen

Large patch of japanese knotweed

Commentary

None

Remedy

See this site for tips on how to control knotweed: * "Controlling Knotweed in the Pacific Northwest":http://www.skamaniacounty.org/Noxious_Weeds/TNCreport.htm

Resources

Want to join forces with your community to fight invasives? There are lots of people involved in this effort already! The links below can connect you with opportunities: * "Association of Soil and Water Conservation Districts":http://www.oacd.org/districts.html (Click on your county) * "OPB Silent Invasion":http://www.opb.org/programs/invasives/ (scroll down to events) * "SOLV":http://www.solv.org/programs/invasives.asp * "Invasives Watch Volunteers":http://www.westerninvasivesnetwork.org/pages/nature_conserv.html * "The Nature Conservancy in Oregon":http://www.nature.org/wherewework/northamerica/states/oregon/about/art24312.html

Location

Large patch of Japanese Knotweed outside of the school fence.

Expert Reviewer

Samuel Leininger
Clackamas Soil and Water Conservation District
4-County Cooperative Weed Management Area
Columbia Gorge Cooperative Weed Management Area
Pacific Northwest Invasive Plants Council

© 2019 Portland State University | Contact us for questions regarding site content