Photographs, information and advice. This website gallery is aimed at illustrating the problems that some plants can cause. The site contains a gallery of recent photographs of the main species of problematic plant, including Crassula helmsii, Myriophyllum aquaticum, Hydrocotyle ranunculoides, Fallopia japonica, Impatiens glandulifera and Heracleum mantagazanium.

The Invasive Spartina Project is a coordinated regional effort among local, state and federal organizations dedicated to preserving California's extraordinary coastal biological resources through the elimination of introduced species of Spartina

Zebra Mussel filters by ZeeStop Filter designed to stop Zebra Mussels from veliger to adult is your best defense against the Zebra Mussel Invasion

The Global Invasive Species Database contains invasive species information supplied by experts on biological invasion from around the world. Species range from micro-organisms and invertebrates to fish, birds, reptiles, amphibians, mammals and plants. Text, images and maps give biological, ecological and geographical information. Eradication and control information and expert advice is also available.

InvasiveSpecies.gov is a comprehensive, online information system that facilitates access to and exchange of invasive species data and resources by researchers, scientists, and concerned citizens.

Official website of the Convention on International Trade in Endangered Species of Wild Fauna and Flora. Documents, Species database, News & Highlights, Photo Gallery, publications..

Contact points in Belgium for international nature and biodiversity-related agreements, organisations and programmes. Belgian Clearing-House Mechanism.

The WCPA mission is to promote the establishment and effective management of a world-wide representative network of terrestrial and marine protected areas, as an integral contribution to the IUCN mission.

AERF supports research for thecontrol of aquatic weed species and exotic plants such as Eurasianwatermilfoil, hydrilla, water hyacinth, purple loosestrife, andother aquatic weeds found in lakes, ponds, reservoirs, riversand streams

Exotics - learn about nonindigenous creatures that invade the Great Lakes Region of the United States. Representing the national sport fishing community on Congressionally mandated federal Ruffe Control Committee and Great Lakes Panel on Exotics, the Great Lakes Sport Fishing Council recognizes the seriousness of incidentally introduced foreign species(exotics) into our ecosystem. The Council has assembled a series of informational links to help anglers learn more about the invasion of these unwanted exotics.