Below you get 4 choices as to how to reach the weed information. If you are more comfortable with common names you can choose the common name index otherwise use the scientific name index. For those of you with restricted computer resources you can choose the index without photos or if you don't care have a look at the index filled with weedy photos. We hope you enjoy using our easy web weed lookup!


Common name index with photos
Common name index without photos
Scientific name index with photos
Scientific name index without photos


New Zealand

Auckland - weed plant identification

South Africa

AGIS - Weeds and Invasive Plants Website (see WIP - Fact Sheets per plant)
Biodiversity Explorer


Invasive plant atlas of the MidSouth managed by the Mississippi State University Geosystems Research Institute.

National Institute for Invasive Species Science Database (, hosted by the U.S. Geological Survey Fort Collins Science Center

Invasive plants of the United States (, managed by the USDA’s Natural Resources Conservation Service.

Key and species accounts for 172 species from the University of Illinois.