Cedar hemlock douglas-fir forest is a vegetation association in California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, USA. This is one of the Kuchler

A.W. Kuchler

A. W. Kuchler is an American geographer and naturalist who is noted for developing a plant association system in widespread use in the USA. Some of this database has become digitized for integration into GIS mapping systems.-References:* *...

 system forest types used to classify California plant communities. As the name implies, dominant tree types are Incense-cedar, Western Hemlock and Douglas-fir

Douglas-fir

Douglas-fir is one of the English common names for evergreen coniferous trees of the genus Pseudotsuga in the family Pinaceae. Other common names include Douglas tree, and Oregon pine. There are five species, two in western North America, one in Mexico, and two in eastern Asia...

. The forest type is classified FRES20 in the Kuchler system. Understory

Understory

Understory is the term for the area of a forest which grows at the lowest height level below the forest canopy. Plants in the understory consist of a mixture of seedlings and saplings of canopy trees together with understory shrubs and herbs...

 flora

Flora

Flora is the plant life occurring in a particular region or time, generally the naturally occurring or indigenous—native plant life. The corresponding term for animals is fauna.-Etymology:...

 associates include Toyon

Toyon

Heteromeles arbutifolia , and commonly known as Toyon, is a common perennial shrub native to California down to Baja California....

 and Western poison oak.