Davis, R. M., Sommer, R., & Menge, J. A. (2012). Field guide to mushrooms of western North America. University of California Press.

Davis, R. Michael, Robert Sommer, and John A. Menge. Field Guide to Mushrooms of Western North America. Berkeley: University of California Press, 2012.

Davis, R. Michael, et al. Field Guide to Mushrooms of Western North America. University of California Press, 2012.