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
U.S. Department of Agriculture
Home / Contact Us

Contact Us

The National Invasive Species Information Center (NISIC) manages the InvasivespeciesInfo.gov Web site. This Web site serves as a reference gateway to information, organizations, and services about invasive species.

Where We are Located

The National Invasive Species Information Center (NISIC) is located at the National Agricultural Library (NAL) in Beltsville, Maryland. NAL is near the intersection of U.S. Route 1 and Interstate Route 95/495 (Beltway Exit 25-North), 15 miles northeast of Washington, DC. See Visit the Library for more information.

How to Contact Us

To contact NISIC electronically:

  • Use our Ask a Question form        OR
  • Send us an email -

Note: Staff are working remotely due to COVID-19 and we are not receiving postal mail

How to Provide Feedback or Suggest Resources

Our Web site is under continual development. We are interested in hearing any suggestions you have for improving this Web site, as well as descriptions of any other problems (typos, formatting errors, broken links) you have seen.

If you have suggestions for resources related to invasive species, please use our Ask a Question form.

Joyce Bolton, NISIC Coordinator / Web Manager

How to Find Additional Contact Information

To find contact information for NAL services, information centers, and personnel, please use one of the following directories: