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

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  • California's Invaders: Channeled Apple Snail

    • California Department of Fish and Wildlife.

  • California's Invaders: Chinese Mitten Crab

    • California Department of Fish and Wildlife.

  • California's Invaders: Grass Carp

    • California Department of Fish and Wildlife.

  • California's Invaders: New Zealand Mudsnail

    • California Department of Fish and Wildlife.

  • California's Invaders: Nutria

    • California Department of Fish and Wildlife.

  • California's Invaders: Red-Eared Slider

    • California Department of Fish and Wildlife.

  • California's Invaders: Silver Carp

    • California Department of Fish and Wildlife.

  • California's Invaders: Snakehead

    • California Department of Fish and Wildlife.

  • Call 701-328-2655 to Report Feral Swine

    • North Dakota Department of Agriculture.

    • Feral swine are an invasive species which cause extensive damage to crops, property, and the environment. They are also known to carry over 30 diseases and 37 parasites that can be transmitted to livestock, people, pets, and wildlife. When feral swine are sighted in North Dakota, the State Board of Animal Health should be notified immediately. Attempts will be made to identify whether the swine are truly feral or if they are escaped domestic swine which are private property. Individuals who encounter feral swine should not destroy them unless they encounter feral swine on their own property and there is a threat of harm or destruction of property. As soon as possible following destruction of the animal, but always within 24 hours, the individual must notify the State Board of Animal Health (BoAH) at 701-328-2655.

  • Call for Proposals: Sea Lamprey Research Program [PDF, 719 KB]

    • Great Lakes Fishery Commission.

    • The Great Lakes Fishery Commission is now soliciting pre-proposals and pilot project proposals for the 2021 funding cycle. The deadline  was January 15, 2020. Proposals are evaluated for relevance and scientific merit and against information needs identified by the Research Themes under which they are submitted. Proposals are encouraged to be cross-cutting and address multiple themes. See the theme conceptual diagram [PDF, 172 KB] for examples of how themes may intersect. See Applying for Funding for more information.

  • Callery Pear

    • Pennsylvania State University. Cooperative Extension.

  • Callery Pear

    • 2019

    • Mississippi State University. Extension.

    • See also: Publications for more resources

  • Callery Pear: History, Identification, and Control

    • Aug 2020

    • Alabama Cooperative Extension System.

  • CalPhotos - Centaurea calcitrapa

    • University of California - Berkeley. Digital Library Project.

  • CalPhotos - Lepidium appelianum

    • University of California - Berkeley. Digital Library Project.

  • CalPhotos - Linaria genistifolia ssp. dalmatica

    • University of California - Berkeley. Digital Library Project.

  • CalPhotos - Linaria vulgaris

    • University of California - Berkeley. Digital Library Project.

  • CalWeedMapper

    • California Invasive Plant Council.

    • CalWeedMapper is a new Web site for mapping invasive plant spread and planning regional management. Users generate a report for their region that synthesizes information into three types of strategic opportunities: surveillance, eradication and containment. Land managers can use these reports to prioritize their invasive plant management, to coordinate at the landscape level (county or larger) and to justify funding requests. For some species, CalWeedMapper also provides maps of suitable range that show where a plant might be able to grow in the future. The system was developed by the California Invasive Plant Council and is designed to stay current by allowing users to edit data.

  • Campaigns - Buy It Where You Burn It

    • Washington State Recreation and Conservation Office. Washington Invasive Species Council.

  • Can Biocontrol Halt the Spread of Invasive Cogongrass?

    • May 23, 2024

    • USDA. ARS. Down on the Farm.

    • Currently, most cogongrass is controlled with herbicides, which only serve as a temporary solution. The herbicides must be reapplied every 6-12 months. ARS scientists in the U.S. and overseas are investigating biological control of cogongrass by collecting and studying insects that feed on the grass where the weed originated. These insects will be screened over many years to determine if they will be safe, and only those that cause no harm to valued plants will be released.