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Japanese knotweed
Magnoliopsida > Polygonales > Polygonaceae > Polygonum cuspidatum Sieb. & Zucc.
Synonym(s): Fallopia japonica (Houtt.) Dcne

Identification, Biology, Control and Management Resources
Plant Invaders of Mid-Atlantic Natural Areas - National Park Service and U.S. Fish and Wildlife Service
Biological Control of Invasive Plants in the Eastern United States - USDA Forest Service
Southeast Exotic Pest Plant Council Invasive Plant Manual - SE-EPPC
Weeds Gone Wild: Alien Plant Invaders of Natural Areas - Plant Conservation Alliance
Invasive Plant Atlas of New England
Element Stewardship Abstracts - iMapInvasives

Selected Images from www.invasive.org
 
Number:1237059
Description:Foliage and flowers
Photographer:Britt Slattery, U.S. Fish and Wildlife Service
Resolutions:768x512 - PowerPoint/Web
 
Number:2308046
Description:Inflorescence close-up
Photographer:Leslie J. Mehrhoff, Invasive Plant Atlas of New England, University of Connecticut
Resolutions:768x512 - PowerPoint/Web
1536x1024 - Print
 
Number:1237056
Description:Foliage
Photographer:Jack Ranney, University of Tennessee
Resolutions:768x512 - PowerPoint/Web
1536x1024 - Print
 
Number:0581041
Description:Foliage
Photographer:Jil M. Swearingen, USDI National Park Service
Resolutions:768x512 - PowerPoint/Web
1536x1024 - Print
 
Number:1237055
Description:Infestation
Photographer:Jack Ranney, University of Tennessee
Resolutions:768x512 - PowerPoint/Web
1536x1024 - Print
 
Number:2308045
Description:Roadside Incursion
Photographer:Leslie J. Mehrhoff, Invasive Plant Atlas of New England, University of Connecticut
Resolutions:768x512 - PowerPoint/Web
1536x1024 - Print
 
Description:Distribution Map
Source:USDA NRCS, The PLANTS Database, September, 2003

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USDA Forest ServiceUSDA APHIS PPQ The Bugwood Network University of Georgia Invasive.org is a joint project of
The Bugwood Network, USDA Forest Service & USDA APHIS PPQ.
The University of Georgia - Warnell School of Forest Resources and
College of Agricultural and Environmental Sciences - Dept. of Entomology
Last updated on Thursday, April 17, 2014 at 08:26 AM
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