Louisville Water Company.
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.
Connecticut Invasive Plant Working Group.
California Department of Food and Agriculture.
University of Connecticut. Connecticut Invasive Plant Working Group.
These plants are known to be invasive or potentially invasive in Connecticut and are on Connecticut's list of Invasive and Potentially Invasive Plants. They are known to be present only in relatively low numbers at limited locations in Connecticut. These species should be considered for control and eradication efforts in the state when resources are available. If you find these species: Report your findings immediately to the CT Invasive Plant Coordinator at firstname.lastname@example.org.
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)
Kentucky Exotic Pest Plant Council.
University of Kentucky. College of Agriculture. Division of Regulatory Services.
Missouri Department of Agriculture.
Tennessee Rules and Regulations.
General Statutes of Connecticut.
Kentucky Department of Fish and Wildlife Resources.
DOI. National Park Service.
Tennessee Invasive Plant Council.