Submitter does not have a specimen
EDRR Status: Local expert notified
I could be wrong, but it looks like Japanese Knotweed growing on the cliffside
Identify and manage knotweeds in the Pacific Northwest
(45.4393888, -122.6437105)By one of the stone benches by the river. Hr is a group of three trees in the water that have been toppers off.
Samuel Leininger Clackamas Soil and Water Conservation District4-County Cooperative Weed Management AreaColumbia Gorge Cooperative Weed Management Area
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