References

For more information on plant communities in Washington as well as the climatic, topographic, and historical factors that have affected them see the following:

Barbour, M. G. and W. D. Billings, 1988. North American Terrestrial Vegetation. Cambridge University Press, Cambridge.

Franklin, Jerry F. and C. T. Dyrness. 1988. Natural Vegetation of Oregon and Washington. Oregon State University Press, Corvallis.

Mueller, Ted and Marge Mueller. 1997. Fire, Faults, and Flood: A road and trail guide to exploring the origins of the Columbia Basin. University of Idaho Press, Moscow, ID.

Schultz, Stewart T. 1990. The Northwest Coast: A Natural History. Timber Press, Inc., Portland.

Whitney, Stephen. 1989. The Pacific Northwest: A Sierra Club Naturalist's Guide. Sierra Club Books, San Francisco.