Resources
- Plant Invaders of Mid-Atlantic Natural Areas - National Park Service and U.S. Fish and Wildlife Service
- Weed of the Week - USDA Forest Service
- Element Stewardship Abstract - The Nature Conservancy
- Invasive Plant Atlas of New England - University of Connecticut
- Weeds Gone Wild: Alien Plant Invaders of Natural Areas - Plant Conservation Alliance
- Southeast Exotic Pest Plant Council Invasive Plant Manual - SE-EPPC
- Biological Control of Invasive Plants in the EAstern United States - USDA Forest Service
- Pest Alert - USDA Forest Service
- Fact Sheet - Pennsylvania Dept. of Conservation and Natural Resources
Representative Images
5205098 Japanese knotweed Fallopia japonica Flower(s) Jan Samanek |
1196197 Japanese knotweed Fallopia japonica Plant(s) Nanna Borcherdt |
5379559 Japanese knotweed Fallopia japonica Stem(s) Steve Manning |
5271087 Japanese knotweed Fallopia japonica Foliage Leslie J. Mehrhoff |
5271085 Japanese knotweed Fallopia japonica Flower(s) Leslie J. Mehrhoff |
5205099 Japanese knotweed Fallopia japonica Fruit(s) Jan Samanek |
0581045 Japanese knotweed Fallopia japonica Fruit(s) Jil Swearingen |
1550182 Japanese knotweed Fallopia japonica Seed(s) Ken Chamberlain |
5421941 Japanese knotweed Fallopia japonica Stem(s) James H. Miller |
2189040 Japanese knotweed Fallopia japonica Stem(s) Chris Evans |
5331054 Japanese knotweed Fallopia japonica Infestation Randy Westbrooks |
1557030 Japanese knotweed Fallopia japonica Seedling(s) Ohio State Weed Lab Archive |
5308058 Japanese knotweed Fallopia japonica Plant(s) USDA PLANTS Database |
Maps
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
Alternative content
State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org
Alternative content
Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.
Alternative content
| Legend | |
| No Data for this state | |
| Troublesome or Common weed in one or more crops | |
Invasive Listing Sources
- Alabama Invasive Plant Council - Watch list A
- Alabama Noxious Weeds - Class C Noxious Weed
- California Invasive Plant Council
- California Noxious Weeds
- City of Ann Arbor Michigan Parks and Recreation
- Commonwealth of Pennsylvania, Department of Conservation and Natural Resources, 1994.
- Connecticut Invasive Plant List
- Connecticut Invasive Plant Working Group
- Delaware Natural Resources and Environmental Control, 2004
- EDDMapS Ontario
- Eric Ulaszek, U.S. Forest Service, Midewin National Tallgrass Prairie, Illinois
- Faith Campbell, 1998
- Forest Service-Alaska, 2004
- Georgia Exotic Pest Plant Council - Category 1 Alert
- Hoffman, R. & K. Kearns, Eds. 1997. Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Bureau of Endangered Resources. Madison, Wisconsin. 102pp.
- Idaho Noxious Weeds
- Illinois Invasive Plant List
- Indiana Native Plant and Wildflower Society
- Invasive Plant Council of New York State
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
- Kentucky Exotic Pest Plant Council - Severe Threat
- Maryland Cooperative Extension Service. 2003. Invasive Plant Control in Maryland. Home and Garden Information Center, Home and Garden Mimeo HG88. 4 pp.
- Maryland Department of Natural Resources, 1994
- Massachusetts Noxious Weeds
- Mid-Atlantic Exotic Pest Plant Council, 2005
- Missouri Department of Conservation,
- Montana Noxious Weeds
- National Wildlife Refuge Association, Silent Invasion: A Call to Action from the National Wildlife Refuge Association, 2002. Washington DC. 17 pp.
- Native Plant Society of Oregon, 2008
- New Hampshire Invasive Species Committee. 2005. Guide to Invasive Upland Plant Species in New Hampshire. New Hampshire Department of Agriculture, Markets and Food Plant Industry Division and New Hampshire Invasive Species Committee.
- New Hampshire Prohibited Invasive Species
- New Jersey Department of Agriculture, Division of Plant Industry, 2004
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- Oregon Noxious Weeds
- Pacific Northwest Exotic Pest Plant Council, 1998
- Pennypack Ecological Restoration Trust, Pennsylvania.
- Rhode Island Natural History Society,
- South Carolina Exotic Pest Plant Council - Severe Threat
- Tatyana Livschultz, Pennsylvania survey of invasive plants,
- Tennessee Exotic Pest Plant Council - Severe Threat
- Vermont Department of Environmental Conservation
- Vermont Noxious Weeds
- Virginia Department of Conservation and Recreation, 2009
- Washington Noxious Weeds
- WeedUS - Database of Plants Invading Natural Areas in the United States
- West Virginia Noxious Weeds
- Wisconsin's Invasive Species Identification, Classification and Control Rule
Taxonomic Rank
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Caryophyllidae |
| Order: Polygonales |
| Family: Polygonaceae |
| Genus: Fallopia |
Synonyms and Other Names
Other Common Names:
fleeceflower, Japanese bamboo
Related Scientific Names:
| Polygonum cuspidatum Siebold & Zucc. | (Synonym) |
| Reynoutria japonica Sieb. & Zucc. | (Synonym) |
Invasive.org is a joint project of the Center for Invasive Species and Ecosystem Health and USDA APHIS PPQ, with additional support from USDA National Institute of Food and Agriculture and USDA Forest Service. The University of Georgia - Warnell School of Forestry and Natural Resources and College of Agricultural and Environmental Sciences |
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Last updated on Tuesday, May 04, 2010 at 02:41 PM