The Inner Coast Ranges are a long mountain range subsystem of the California Coast Ranges, running generally north–south in western California, from Santa Barbara County north to the Klamath Mountains system.
The Northern Inner Coast Ranges are the eastern/inland section of the Northern Coast Ranges, running in Northern California from the North Bay region of the San Francisco Bay Area north to the Klamath Mountains system.
The Southern Inner Coast Ranges are the eastern/inland section of the Southern Coast Ranges, running in Northern, Central, and Southern California from the East Bay region of the San Francisco Bay Area south into Santa Barbara County.
Flora of the Southern Inner Coast Ranges includes: Flora of the Northern Inner Coast Ranges was described by Willis Linn Jepson early on, he was one of the first to do so.
[2] Other trees include Canyon live oak (Quercus chrysolepis).