Submitter does not have a specimen
EDRR Status: Local expert notified
Knotweed. Large specimen. Just past flowering.
Oct. 4, 2016, 9:41 a.m.
See this site for tips on how to control knotweed:
* Controlling Knotweed in the Pacific Northwest
Want to join forces with your community to fight invasives? There are lots of people involved in this effort already! The links below can connect you with opportunities:
Western Invasives Network
Association of Conservation Districts
The Nature Conservancy of Oregon
On the river side of the spring water trail. Down the side of the bank south of the Ross Island lagoon
Mr. Mitch Bixby City of Portland - Bureau of Environmental Services (BES)
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