Plant Information Sites

General plant information | Weed control information

Many weed control projects in California are conducted by local Weed Management Areas, organized by county and overseen by the California Department of Food and Agriculture. For local regulations on noxious weeds, contact your county Agricultural Department.

General Invasive Plant Information

Encycloweedia

Detailed information on plants regulated as noxious weeds by the California Department of Food and Agriculture

The Nature Conservancy Global Invasive Species Initiative

Visit the Management Library to view Elemental Stewardship Abstracts describing the biology and control information for many invasive plants. This site is also home to the Weed Control Methods Handbook, which outlines various control technologies in detail. And if you need to know what an invasive plant looks like, there are more than 900 photographs in the Photography Archive.

Center for Invasive Plant Management

The hub for management information in the western U.S. Includes plant biology and management information; education information; and publications. CIPM also provides grants to weed projects in western states. Grant information is available at this site.

NatureServe Invasive Species Assessments

NatureServe is a non-profit conservation organization that provides the scientific information and tools needed to help guide effective conservation action. NatureServe and its network of natural heritage programs are the leading source for information about rare and endangered species and threatened ecosystems.

Weed Control Information

For weed control and management information, please see the Invasive Plants Management page.

Related Links

Organizational and Governmental Websites