Japanese Knotweed

Japanese Knotweed Fact Sheets

Knotweeds
Whatcom Weeds
http://www.whatcomcounty.us/publicworks/pdf/weeds/knotweeds2.pdf

Japanese Knot (Polygonum cuspidatum Sieb. & Zucc)
Washington State Noxious Weed Contraol Board
http://www.nwcb.wa.gov/weed_info/Polygonum_cuspidatum.html

Japanese Knotweed Web sites

Japanese knotweed
Oregon Department of Agriculture
http://egov.oregon.gov/ODA/PLANT/WEEDS/profile_japknotweed.shtml

Controlling Knotweed in the Pacific Northwest
The Nature Conservancy
http://tncweeds.ucdavis.edu/moredocs/polspp01.pdf

Polygonum cuspidatum (Japanese Knotweed, Mexican Bamboo)
The Global Invasive Species Team, The Nature Conservancy
http://tncweeds.ucdavis.edu/esadocs/polycusp.html

Japanese Knotweed
USDA National Agricultural Library, National Invasive Species Information Center
http://www.invasivespeciesinfo.gov/plants/knotweed.shtml