Code of Colorado Regulations.
New Hampshire Fish and Game Department.
Click on "NH Laws and Rules Related to Aquatic Invasive Wildlife" to view list of prohibited wildlife.
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 Department of Fish and Wildlife.
Smithsonian Institution. Smithsonian Environmental Research Center. Marine Invasions Research Lab. National Exotic Marine and Estuarine Species Information System (NEMESIS).
University of Maryland. Home and Garden Information Center.
South Dakota Department of Agriculture.
Colorado Parks and Wildlife.
Explains state laws and regulations governing wildlife as pets, including what's legal and what's illegal to own, and why.
University of Georgia. Center for Invasive Species and Ecosystem Health. Invasive Plant Atlas of New England (IPANE).
California Department of Food and Agriculture.
New Hampshire Department of Environmental Services.
New York Codes, Rules, and Regulations.
South Carolina Department of Natural Resources. Aquatic Nuisance Species Program.
Northeast Marine Introduced Species.
Southeast Exotic Pest Plant Council.
New Hampshire Code of Administrative Rules.
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)
Maryland Invasive Species Council.