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

To contact NISIC electronically (for quickest response), users can:

• send an email to
• use our Ask a Question form

Patrons may also send postal mail to:

Joyce Bolton, Web Manager
National Invasive Species Information Center
Rm 109-B
National Agricultural Library
10301 Baltimore Avenue
Beltsville, MD 20705

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 or resources related to invasive species, please let us know about it if we don't have it included!

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

• NAL Phone and E-mail Directory
• Key NAL Personnel and Services