Knotweed (unknown species) (Fallopia sp.) on Oct 14, 2009
Submitter does not have a specimen
EDRR Status: Local expert notified
Description of specimen
Good sized stands at both locations-- we think it is Japanese knotweed, but could be some other species of knotweed. Our park department would be interested in help eradicating it properly.
Commentary
Expert Reviewer
Samuel Leininger
Clackamas Soil and Water Conservation District
4-County Cooperative Weed Management Area
Columbia Gorge Cooperative Weed Management Area
I recently sent you en email about the infestation and would love to talk with you in person. We are aware of the infestations you submitted and would like to talk with you more about management options and eradication efforts. Please contact me directly at the Conservation District so we can discuss this matter in greater depth. Again thanks for the report.
Sam Leininger
WeedWise Program Manager
Clackamas Conservation District
Samuel Leininger
Nov. 4, 2009, 1:58 a.m.