Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Nov 20, 2021

Originally reported as Knotweed (unknown species) (Fallopia sp.)

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

Description of specimen

Empty lot full of italian arum and knotweed, and both populations seem to be healthy and spreading. Looks like a bad time. Its not my lot, I just happened to walk past it. :( Thank you!

Commentary

None

Remedy

Identify and manage knotweeds in the Pacific Northwest

Location

Empty lot on the west side of 82nd Ave in Clackamas.

Expert Reviewer

Samuel Leininger
Clackamas Soil and Water Conservation District
4-County Cooperative Weed Management Area
Columbia Gorge Cooperative Weed Management Area

© 2021 Portland State University | Contact us for questions regarding site content