An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

About Our Site

The About Our Site section provides information about the National Invasive Species Information Center (NISIC) and our Web site.

  • What is NISIC? - Provides information about NISIC.
  • Contact Us - Provides information about where NISIC is located, how to contact NISIC, and how to find additional contact information for USDA's National Agricultural Library.
    • Ask a Question - How to contact NISIC for invasive species-related questions, provide feedback or suggest a resource.
  • Site Map - Provides an overview of NISIC's site content.
  • Web Site Redesign - Provides information about NISIC's recent Web site redesign, including benefits of the new site structure, and how site information is reorganized.
  • Invasive Species Acronyms and Abbreviations - Includes common acronyms and abbreviations used throughout our Web site.