Government Agencies

• California Department of Conservation
• California Department of Fish and Game
• California Department of Water Resources
• U.S. Bureau of Land Management
• U.S. Fish and Wildlife Service
• U.S. Forest Service
• U.S. National Park Service
• U.S. Natural Resources Conservation Service - California

Academic Institutions

• Herbarium at California State University, Chico
• Herbarium at Humboldt State University
• Herbarium at the University of California, Davis

Botanical Societies

• California Botanical Society
• California Invasive Plant Council
• California Native Grasslands Association
• California Native Plant Society
• California Society for Ecological Restoration
• Southern California Botanists