Japanese Knotweed (Fallopia japonica) on Apr 23, 2018
Submitter does not have a specimen
Description of specimen
The plant was about 1' tall, unmistakable in appearance with a zigzagging stem and large, shield-shaped leaves.
Commentary
None
Expert Reviewer
Mrs. Lindsey Wise
Oregon Biodiversity Information Center, inr.oregonstate.edu/orbic
Oregon iMapInvasives
Institute for Natural Resources
Portland State University