Resources

Professional Organizations:

• International Society of Arboriculture (ISA)
• Western Chapter ISA (WCISA)
• Tree Care Industry Association (TCIA)

Information for Consumers and Professionals

• University of California Integrated Pest Management Online
• California Contractor’s State License Board (CSLB)
• TreesAreGood.org (ISA)
• Basic Plant Information
• Basic Tree information
• California Oak Mortality Task Force (COMTF)
• Urban Tree Foundation