Submitter does not have a specimen
There are hundreds or thousands of the yellow flowering plant which I think are tansy ragwort.
King County Tansy Ragwort Control Guide
It is a large field with trees, blackberries, and grass which is bounded to the North by Monterey Ave, to the West by Stevens Rd, some buildings to the South, and a creek and apartments to the East.
Samuel Leininger Clackamas Soil and Water Conservation District4-County Cooperative Weed Management AreaColumbia Gorge Cooperative Weed Management Area
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