If you have a general agricultural related question, please contact NAL's reference staff for assistance.

For invasive species policy related questions and media requests for interviews, please contact the staff of the National Invasive Species Council.

The large numbers of invasive species prevent us from maintaining detailed information on all invasive species. In addition, determining the invasiveness of a species depends on a number of local factors, including type of habitat. For additional help, please consult the following resources for:

• Can't find what you are looking for? -
  see our Help page for A-Z Index, Frequently Asked Questions, I Want To..., Site Map, Subject Index, etc.
  
  
• Contact your local and state agencies -
  see Agencies and Organizations
  
  
• Find species specific information -
  see our species profiles (aquatic species, plants, animals, and microbes)
  
  
• Locate Invasive species experts -
  See Expertise Databases
  
  
• General information about selected species and topics -
  see Frequently Asked Questions

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Please note that we do not set laws or legislation, and we cannot identify species. We also cannot answer homework questions for you, but we can assist with your research.