Invasive Species Resources for California

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Invasive Species Lists

• Invasive Species in California (Global Invasive Species Database)
• Noxious Weeds by state including California (University of Montana - Missoula Invaders Database System)
• Noxious Weeds of Northeastern California (Pit River Watershed Alliance)
• Nonindigenous Aquatic Species (NAS) in California (USGS NAS)

Page Summary

Invasive Species Lists
Maps
Other State Resources

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• California State-Listed Noxious Weeds (USDA Plants Database)
• (California) Pest Ratings of Noxious Weed Species and Noxious Weed Seed PDF (California Department of Food and Agriculture)
• (California) Invasive Plant Inventory (California Invasive Plant Council)
• USDA State Noxious-Weed Seed Requirements Recognized in the Administration of the Federal Seed Act PDF (2006)

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Invasive Species Maps

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• CRISIS maps online mapping application. The CRISIS Mapping tool is an interactive map display and data viewer for weed observations in the regions of California and the Southwest served by the NBII's California Information Node (CAIN).
• Mapping Desert Plants. A Web page for tracking the spread of invasive desert plants. Initially focusing on mapping Saharan mustard (Brassica tournefortii). Eventually to include buffelgrass (Pennisetum ciliare) and  fountaingrass (Pennisetum setaceum).
• Leafy Spurge (Eurphorbia esula) / Yellow Star Thistle (Centaurea solstitialis)
• State survey maps for Invasive Species (PestTracker, National Agricultural Pest Information System (NAPIS))

• California Weed Mapping Handbook. A product of collaboration between CDFA, CDFG, CalEPPC, USFS, and CAIN.

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Additional California Invasive Species Resources:

• California Weed Prevention and Management Guidelines (Bureau of Land Management)
• CalWeedMapping Listserv (weed mapping, invasion spread monitoring and treatment success, data management and sharing). To subscribe use the CalWeedMapping Subscription Form
• NBII California Information Node Regional Invasive Species Information System (CRISIS). Online at http://cain.nbii.org/crisisindex
• California National Wildlife Refuge System Invasive Species Survey (US Fish & Wildlife Service)
• What's in My Neighborhood California page (National Invasive Species Information Center)
• California Invasive Species Agencies and Organizations (National Invasive Species Information Center)
• California Regulatory News and Pest Survey Information (NAPIS)
• California Invasive Species page (The Biodiversity Partnership)
• Redwood National & State Parks Exotic Plant Management Plan (National Park Service)

Laws and Legislation

• California Laws and Regulations (National Invasive Species Information Center)
• California Invasive Species State Laws (Northeast Midwest Institute)
• Stopping the Spread of Invasive Species Policy Issues Package (State Environmental Resource Center) - includes Sample Executive Order and Sample Legislation text for writing an invasive species Bill.

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