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U.S. Department of Agriculture
National Invasive Species Information Center
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Invasive Species Resources

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Aquatic Invasive Species
Wisconsin Department of Natural Resources.
Aquatic Invasive Species Documented in Rhode Island Freshwaters (PDF | 2.1 MB)
Rhode Island Department of Environmental Management.
California Invasive Plant Inventory
California Invasive Plant Council.
This interactive database contains information on the plants currently included in the Cal-IPC Invasive Plant Inventory. The Inventory categorizes plants as High, Moderate, or Limited, reflecting the level of each species' negative ecological impact in California. Includes options to search for species by region and by habitat type. The database provides a better view of information on each species and allows users to download the entire Inventory as a spreadsheet.
California's Invaders
California Department of Fish and Wildlife.
Encycloweedia: California Noxious Weeds
California Department of Food and Agriculture.
Importation, Possession, Confinement, Transportation and Sale of Nonnative Wildlife
Oregon Administrative Rules.
Scroll to view: Prohibited Species (635-056-0050)
Invasive Gardening and Landscaping Plants: Invasive in Native Habitats of the Southern Willamette Valley
Native Plant Society of Oregon. Emerald Chapter.
Invasive Species - Aquatic Plants
Idaho Department of Agriculture.
Includes Statewide EDRR List, Statewide Control List, and Statewide Containment List
Invasive Species - Terrestrial Plants
Idaho Department of Agriculture.
Includes Statewide EDRR List, Statewide Control List, and Statewide Containment List
Invasive Species List and Scorecards for California
University of California - Davis. California Invasive Species Advisory Committee.
See also: California Invasive Species List (2010; PDF | 521 KB); presented on Apr 21, 2010 by the California Invasive Species Advisory Committee (CISAC) to the Invasive Species council of California (ISCC)
Invasive Species Lists
Rhode Island Natural History Survey.
Noxious Weed Laws and Lists
Oregon Department of Agriculture.
Redwood National and State Parks - Exotic Plant Species List
DOI. National Park Service.
Terrestrial Invasive Species
Wisconsin Department of Natural Resources.
Wetland Invasive Species
Wisconsin Department of Natural Resources.
Wisconsin Chapter NR 40 - Invasive Species List (May 2015) (PDF | 158 KB)
Wisconsin Department of Natural Resources.
See also: Invasive Species Rule – NR 40 for more resources