An official website of the United States government

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted  — in other words, any information or browsing history that you provide is transmitted securely.

National Invasive Species Information Center (NISIC)

The gateway to invasive species information; covering federal, state, local and international sources.
Invasive species are plants, animals, or pathogens that are non-native (or alien) to the ecosystem under consideration, and whose introduction causes or is likely to cause harm.

Welcome to our updated site! About our Web site redesign.

Slideshow of Featured Species

  • Russian Knapweed

    Crowds out native species and desirable forage; toxic to horses (Zouhar 2001)

  • Beach Vitex

    Crowds out native species and may destroy sea turtle nesting habitat (Cousins et al. 2010)

  • Sea Lamprey

    Preys on native species (NAS Database)

  • Coconut Rhinoceros Beetle

    Damages and kills coconut and oil palms; has also been known to attack bananas, sugarcane, papayas, sisal, and pineapple (APHIS 2014; Marshall et al. 2017)

Featured News and Resources

News

Read the latest invasive species research news from ScienceDaily

What's New

See what's new on NISIC's Web site

Identify

Identify species that may be invasive

Calendar and Events

Find invasive species related conferences and events