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[Aroid-l] Invasiveness Criteria

  • Subject: [Aroid-l] Invasiveness Criteria
  • From: IntarsiaCo@aol.com
  • Date: Mon, 30 Aug 2004 15:38:15 EDT

The complete criteria developed at University of Connecticut for invasiveness 
may be seen at:


They include:

1. Nonindigenous 
2. Naturalized. 
3. Have the biologic potential for rapid and widespread dispersion and 
4. Have the biologic potential for dispersing over spatial gaps away from 
site of introduction 
5. Have the biologic potential for existing in high numbers away from 
intensively managed artificial habitats. Further, to be included as a Non-native 
Invasive Species, a species must be documented to: 
6. Be widespread  or at least common in a region or habitat type(s). 
7. Have numerous individuals in many populations. 
8. Be able to out-compete other species in the same natural plant community. 
9. Have the potential for rapid growth, high seed or propagule production and 
dissemination, and establishment in natural plant communities. 

Mark Mazer
Intarsia Ltd.
Gaylordsville, Connecticut 06755-0142
USDA Zone 5
Giant Schnauzer Rescue
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