Authorized Users:

This database was designed to direct users to invasive species experts. It has been set up as a 2-tier system with the first tier accessible to the public. The public portion of the database will guide you to a state contact who acts as a filter for information and identifications. If they can’t answer your question, these state contacts have the ability to log in to the second tier experts.

Search the Invasive Species Experts Database:

Choose a state or province where the specimen was found:


If you have any questions regarding the Experts database or would like to be added as an expert, please contact

Other Resources for Taxonomic Experts

  • TRED (Taxonomic Resources and Expertise Directory)
  • DAISIE (European Alien Invasive Species Expertise Registry)
  • NOAA’s Taxonomic Cadre