Quercus ×jolonensis Sarg. [douglasii × lobata]

Quercus ×jolonensis Sarg. [douglasii × lobata]. Quercus × jolonensis, the Jolon oak, is a hybrid oak in the genus Quercus. It was originally reported from the area of Jolon, California. It is a naturally occurring hybrid between Quercus douglasii and Quercus lobata. This hybrid is widespread throughout the Inner Coast Ranges & Sierra Nevada foothills where both species overlap.