Monarch Butterfly

The mission of the Invasive Species Program is to reduce the negative effects of non-native invasive species on the wildlands and waterways of California.

California's watershed systems play a critical role in delivering vital water suppli?es throughout the state. Because watersheds vary greatly across different? geographies of the state, regionally tailored watershed management efforts are necessary for success.

The Monarch Butterfly and Pollinator Rescue Program (Program) was created by  [link opens in new window] Assembly Bill 2421, and signed into law in 2018 becoming effective immediately.

DWR manages California's water resources, systems, and infrastructure, including the State Water Project (SWP), in a responsible, sustainable way.

The Program is a statewide effort to detect the highly invasive weed hydrilla and mitigate its spread by quarantine and eradication methods.

The Biological Control Program is a unit within the Integrated Pest Control Branch, and an integral part of the Department's Division of Plant Health and Pest Prevention Services.

The California Department of Food and Agriculture (CDFA) established the Beet Curly Top Virus Control Program (BCTVCP) in 1943 to manage the economic impact of beet curly top virus (BCTV) throughout the State in accordance with California Agricultural Code, section 6031-6043.

The RCD is a non-regulatory agency – we work with individuals, growers, ranchers, public agencies, non-profit organizations and corporations to accomplish our goals.

The California Native Plant Society (CNPS) was formed in 1965 in the East Bay region. Today it is a statewide organization with thirty-three chapters.

The Center for Invasive Species Research based on the University of California Riverside Campus provides a forward-looking approach to managing invasions in California by exotic pests and diseases.