Loren O'Rourke, Sacramento Tree Foundation Planting native oak species on underutilized urban public lands in Sacramento has a unique set of difficulties.

Wendy Herniman, Steward at Pepperwood Preserve, Sonoma County, California The phenology, dendrochronology and genotypes of a small multi-species community of oaks in an area of mixed hardwood forest ...

Galls are abnormal growths and can be caused by a variety of different organisms, including insects and mites, and ...