- Center for Aquatic and Invasive Plants - University of Florida
 - Aquatic plant database, images, drawings, video programmes, and more. - Guide to the Exotic Species of San Francisco Bay
- Identifies, profiles, and monitors invasive non-native species.
- Hawaiian Ecosystems at Risk Project (HEAR)
- Provides technology, methods, and information to decision-makers, resource managers, and the general public to aid in the fight against harmful alien species in Hawaii and the Pacific Basin.
- Institute for Biological Invasions - University of Tennessee
- Features their library on biological invasions consisting of books, peer-reviewed journal reprints, unpublished government reports, "gray" literature, and newspaper articles.
- Invasive Woody Plants in the Tropics Research Group - University of Wales
- Conducting two field studies in Jamaica and Tanzania.
- National Marine Invasions Center - Smithsonian Environmental Research Center (SERC)@
- Regional Biological Invasions Center (RBIC)
- Inter-institutional programme for research on biology, impacts, and management of aquatic and terrestrial invasive species in Northwest Russia and adjacent areas of Europe.
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