Arboricultural and Horticultural Resources
Professional Organizations:
- American Society of Consulting Arborists (ASCA)
- International Society of Arboriculture (ISA)
- Western Chapter ISA (WCISA)
- Tree Care Industry Assoc. (TCIA)
- California Arborist Association (CAA)
- California Urban Forests Council (CUFC)
- California Landscape Contractors Association (CLCA)
Information for Consumers and Professionals
- California Contractor's State License Board (CSLB)
(Check a contractor's current license status) - TreesAreGood.org (ISA)
(Consumer tree information) - What is a Consulting Arborist? (ASCA)
- Why Hire an Arborist? (ISA)
- Plants National Database (USDA)
(Plant species information) - SelecTree: A Tree Selection Guide - Urban Forestry Ecosystems Institute (UFEI-UC)
(A tree selection tool) - The Plant List
(A working list of all known plant names throughout the world) - California Invasive Plants Council
(Descriptions of invasive plants in California's wildlands) - University of California Integrated Pest Management Online
(Low impact pest management) - California Oak Mortality Task Force (COMTF)
(Sudden Oak Death information) - Western Tree Failure Report Program
- CAL-FIRE Urban and Community Forestry
- Urban Tree Foundation
(Consumer information on tree selection and planting)