蔷薇属灌木

The dominant plants are sages (Lamiaceae) and evergreen oaks and, in drier areas, chamise (Adenostoma fasciculatum), manzanita (Arctostaphylos pungens), and species of Ceanothus.

优势树种有薄荷属一些树，橡树，在干旱地区通有蔷薇属灌，石兰科灌以及某些鼠李。