Quercus kelloggii

California black oak
Native
Family:Fagaceae

Leaf moderately to deeply lobed. Each lobe with 1-4 teeth, which are usually bristle-tipped.

Photos

(c) josh jackson (CC BY)
(c) lynnettebower (CC BY-NC)
(c) Paul K Davis (CC BY-NC)
(c) co77 (CC BY-NC)
(c) Ella (CC BY-NC)