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