Definitions of terms
related to invasive species

Definitions and discussion of terms related to invasive species will eventually be presented on this page. For now, a few links which include some definitions are provided.

If you need the definition of a particular term not listed here, would like further clarification or references, or if you know of additional links that should be added to this page, please contact the HEAR webmaster (webmaster@hear.org).

• invasive species:
  • U.S. Presidential Executive Order #13112 RE: Invasive Species  (03 Feb 1999)
  • A neutral terminology to define ‘invasive’ species  (Colautti and MaIsaac, 2004)

• alien species / introduced species:
  • U.S. Presidential Executive Order #13112 RE: Invasive Species  (03 Feb 1999)
  • Naturalization and invasion of alien plants: concepts and definitions  (Richardson et al.)

• native species:
  • Native Hawaiian plants (Board of Water Supply, City & County of Honolulu)
  • U.S. Presidential Executive Order #13112 RE: Invasive Species  (03 Feb 1999)

• naturalized species / naturalization:
  • U.S. Presidential Executive Order #13112 RE: Invasive Species  (03 Feb 1999)
  • Naturalization and invasion of alien plants: concepts and definitions  (Richardson et al.)

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