giant knotweed
(Reynoutria sachalinensis)
Selected Images
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
State List - This map identifies those states that list this species on their invasive species list or law. For more information, visit Invasive.org
Invasive Listing Sources
- Alberta Weed Control Act
- California Invasive Plant Council
- California Noxious Weeds
- City of Ann Arbor Michigan Parks and Recreation
- Colorado Noxious Weeds
- Connecticut Invasive Plant List
- Connecticut Invasive Plant Working Group
- Connecticut Noxious Weeds
- Georgia Exotic Pest Plant Council - Category 4
- 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 Exotic Weed Act
- Indiana Invasive Species Council - Invasive Plant List
- Indiana Terrestrial Plant Rule
- Invasive Plant Species of West Virginia
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- Kentucky Exotic Pest Plant Council - Watch List
- Maryland Department of Natural Resources Policy: Restriction on Planting Exotic Invasive Plants
- Mid-Atlantic Field Guide to Aquatic Invasive Species
- Minnesota Noxious Weeds
- Montana Noxious Weeds
- National Park Service, Mid-Atlantic Exotic Plant Management Team Invasive Plant List
- National Park Service, National Capital Region Exotic Plant Management Team Invasive Plant List
- Native Plant Society of Oregon, 2008
- Nebraska Noxious Weeds
- New Hampshire Prohibited Invasive Species
- New Jersey Invasive Species Strike Team 2017 Invasive Species List
- New York Regulated and Prohibited Invasive Species - Prohibited
- Non-Native Invasive Plants of the City of Alexandria, Virginia
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- Ohio Invasive Species Council
- Ontario’s Invading Species Awareness Program Tracked Species List
- Oregon Noxious Weeds
- Pacific Northwest Exotic Pest Plant Council, 1998
- Pennsylvania Department of Conservation and Natural Resources Invasive Plants
- Pennsylvania's Field Guide to Aquatic Invasive Species
- Rhode Island Natural History Survey
- To be proposed for MISC
- Washington Noxious Weeds
- WeedUS - Database of Plants Invading Natural Areas in the United States
- West Virginia Invasive Species Strategic Plan and Volunteer Guidelines 2014
- West Virginia Native Plant Society, Flora West Virginia Project, and West Virginia Curatorial Database System, September 3, 1999
- Wisconsin Noxious Weeds
- Wisconsin's Invasive species rule – NR 40
Taxonomic Rank
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Caryophyllidae |
| Order: Polygonales |
| Family: Polygonaceae |
| Genus: Reynoutria |
| Subject: Reynoutria sachalinensis F. Schmidt ex Maxim. |
Synonyms and Other Names
Related Scientific Names:
Fallopia sachalinensis (F. Schmidt) Ronse-Decraene (Synonym)
Polygonum sachalinense F. Schmidt ex Maxim. (Synonym)
References
Common Name Reference: Germplasm Resources Information Network (GRIN) Online Database
Scientific Name Reference: Germplasm Resources Information Network (GRIN) Online Database