Science

Listings and descriptions of invasive plant species which threaten Pacific island ecosystems, particularly those of Micronesia and American Samoa.

A forum to promote public awareness and exchange of information regarding problems associated with the spread of alien plant species.

The dreaded Arundo, also known as giant reed grass, coming soon to a neighborhood near you.

Information about management of invasive weeds in the USA.

Educational non-profit organization concerned with the control of exotic plant species in Wisconsin (USA).

Information about exotic plants invading natural areas in the southeastern states, controlling invasive plants, and landscaping with native plants.

Information about the adverse effects exotic pest plants have on the diversity plants and animals native to Georgia, USA.

Includes information on invasive exotic species, database, proposed research and educational programs, control guides and management plans, mailing list, membership information, and links.

Information about invasive plant and animal species in Wisconsin. Includes many detailed fact sheets.

Dedicated to finding solutions to problems caused by non-native pest plant invasions of the state's natural areas.

Information about invasive species in King County, Washington, USA.

Invasive species list, fact sheets, and list of native alternatives.

APHIS has a major responsibility in preventing the spread of non-indigenous weeds into and through the United States.

Worldwide program for dealing with harmful invasive plant species threatening biodiversity on land and water. Includes background material, what TNC does, and what the public can do.

Global review of invasions resulting in a comprehensive database, an analysis of common characteristics and recommendations for management and control.

Maps and images of invasive species in the northeastern U.S.