Submitter does not have a specimen
EDRR Status: Local expert notified
Small Japanese Knotweed plant, in flower. It's tucked behind a dog rose.
Identify and manage knotweeds in the Pacific Northwest
Top of the river bank, next to the southwest corner of the bridge between the north and south parking lots at Milwaukie Bay Park.
Samuel Leininger Clackamas Soil and Water Conservation District4-County Cooperative Weed Management AreaColumbia Gorge Cooperative Weed Management Area
© 2022 Portland State University |
for questions regarding site content