- California Rangeland website - Estimating the Cost of Replacing Forage Losses on California Annual Rangeland.
- Oak Woodland Management - Dedicated to the conservation of California's 10 million acres of oak woodlands.Program develops research information and conducts educational programs on the stewardship of hardwood rangelands.
- The California Oak Mortality Task Force -Sudden Oak Death - The task force is a non-profit organization that focuses on the effects of Phytophthora ramorum, the organism that causes Sudden Oak Death.
UCCE Central Sierra