Submitter does not have a specimen
EDRR Status: Population assessed
Large heart shaped leaves on bamboo like main stems.
Identify and manage knotweeds in the Pacific Northwest
Canby park. Just upstream from the boat ramp on the Molalla river. This is about a month ago. It's been a few years (4 or 5) since saw the plant in the Molalla river state park. Walk West from the parking lot to get to the Molalla river. In the trees and around the trail close to the river.
Samuel Leininger Clackamas Soil and Water Conservation District4-County Cooperative Weed Management AreaColumbia Gorge Cooperative Weed Management Area
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