California Trees

A reference guide to the book

By Matt Ritter and Michael Kauffmann

A worthy addition to the library or backpack of any California tree fiend or friend.

Ken-ichi Ueda

Co-founder, iNaturalist

References, Further Reading, and Great California Tree Books

• Bakker, E. S. (1985). An island called California: An ecological introduction to its Natural communities (2nd ed.). University of California Press.
• Griffin, J. R., & Critchfield, W. B. (1972). The distribution of forest trees in California. Res. Paper PSW-RP-82. Pacific Southwest Forest and Range Experiment Station, U.S. Department of Agriculture, Forest Service.
• Jepson, W. L. (1923). The trees of California (2nd ed.). Associated Students Store, University of California, Berkeley.
• Jepson, W. L. (2012). The Jepson manual: Vascular plants of California (2nd ed.). University of California Press.
• Kauffmann, M. E. (2023). Conifers Country: A Natural History and Hiking Guide to the Conifers of the Klamath Mountains Region (second edition). Backcountry Press.
• Kauffmann, M. E. (2024). Conifers of the Pacific Slope: A field guide to the conifers of California, Oregon, and Washington (second edition). Backcountry Press.
• Lanner, R. M. (1999). Conifers of California. Cachuma Press.
• Little, E. L. (1971). Atlas of United States trees (Vol. 1): Conifers and important hardwoods. U.S. Dept. of Agriculture, Forest Service. https://doi.org/10.5962/bhl.title.130546
• McMinn, H., & Maino, E. (1935). An illustrated manual of Pacific Coast trees (1^st ed.). University of California Press.
• Pavlik, B. M., Muick, P. C., Johnson, S. G., & Popper, M. (1991). Oaks of California. Cachuma Press and the California Oak Foundation.
• Ritter, M. (2022). A Californian’s guide to the trees among us (Expanded and updated). Heyday.
• Sawyer, J. O., Keeler-Wolf, T., & Evens, J. (2008). A manual of California vegetation (2^snd ed.). California Native Plant Society Press.
• Schoenherr, A. A. (2017). A natural history of California (2nd ed.). University of California Press.
• Sudworth, G. B. (1908). Forest trees of the Pacific Slope. U.S. Dept. of Agriculture, Forest Service.
• Van Pelt, R. (2001). Forest giants of the Pacific Coast. Global Forest Society in association with University of Washington Press, Seattle.
• Watson, F. D., & Eckenwalder, J. E. (1993). Cupressaceae. In: Flora of North America Editorial Committee (eds.): Flora of North America north of Mexico. 22+ vols. New York and Oxford. Vol. 2.

Websites

• Jepson Herbaria
• Urban Forest Ecosystems Institute at Cal Poly
• Matt Ritter
• Michael Kauffmann
• Gymnosperm Database