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• A Case Study of the Biological Invasions of the San Francisco Bay and Delta
• A Partial List of Invasive Non Native Plants in Yosemite National Park
• Africanized Bees in California
• Aquatic Nuisance Species and Outreach
• California Environmental Resources Evaluation System
• California Exotic Pest Plant Council
• California State-Listed Noxious Weeds
• California Weed Management Areas
• California Weed Science Society
• California's Common Aquatic Weeds
• CalWeed Database
• Caulerpa Eradication in Southern California
• Effect of Invasive Fish Species on Freshwater and Estuarine Fishes in California
• Encycloweedia
• Established Populations of Escaped Pets/Ornamental Animals in California
• Established Species of Non-native Mammals in California
• Exotic and Invasive Weed Research Unit
• Exotic Plant List, 1999
• Exotic Plant Management in the Redwood National and State Parks
• Exotic Species of the Monterey Bay National Marine Sanctuary
• Habitat Conservation Planning Branch
• Introduced Animals on the Channel Islands
• Introduced Species In the Sacramento-San Joaquin Delta
• Invasive Exotics
• Invasive Weeds of Humboldt County
• K-12 Weed Education
• Manual of California Vegetation online
• Northern Pike Website
• Noxious Times
• Noxious Weed Information Project
• Noxious Weeds Management Program
• Pitch Canker Task Force
• Plant Quarantine Manual
• San Diego Weed Management Area
• San Francisco Estuary Invasive Spartina Project
• Santa Margarita and San Luis Rey Watersheds Weed Management Area
• Stopping the Flow: Ballast Water and Invasive Species
• Team Arundo del Norte
• Weed Photo Gallery
• Weed Research and Information Center
• Western Regional Panel on Aquatic Nuisance Species
• Wicked Weed of the West - Yellow Star-Thistle: Scourge of the Golden State
• Yellow Starthistle - UC Pest Management Guidelines