Japanese Knotweed (Fallopia japonica) on May 8, 2019
Submitter does not have a specimen
Description of specimen
Lots of patches of knotweed alongside the tracks north of Columbia.
Commentary
None
Expert Reviewer
Mrs. Lindsey Wise
Oregon Biodiversity Information Center, inr.oregonstate.edu/orbic
Oregon iMapInvasives
Institute for Natural Resources
Portland State University