What is the most common native tree in southern California?

The most common native tree in Southern California is the Coast Live Oak (Quercus agrifolia). This evergreen oak is well-adapted to the region's Mediterranean climate and can be found in various habitats, including coastal areas, valleys, and foothills. It plays a crucial role in local ecosystems, providing habitat and food for numerous wildlife species. Its acorns are an important food source for animals and contribute to the area's biodiversity.