Submitter does not have a specimen
7828 SW Capitol Hill RdI have given the property owner information off the web identifying it as an invasive species. They just cut it to the ground last year and it is bigger than ever.
May 7, 2008, 5:43 a.m.
Identify and manage knotweeds in the Pacific Northwest
7828 SW Capitol Hill RdLocated in south corner of property 5 -6 ft from SW Capitol Hill Rd. Fire hydrant in front.
Tania Siemens WISE Program Coordinator (Watershed and Invasive Species Education)Oregon Sea Grant ExtensionOregon State Universitytania.email@example.com
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