Additional Readings
Brown, David E., ed. Biotic Communities: Southwestern United States and Northwestern Mexico. Salt Lake City: University of Utah Press, 1994.
Dunbier, Roger. The Sonoran Desert: Its Geography, Economy, and People. Tucson: University of Arizona Press, 1968.
Lowe, Charles H. Arizona's Natural Environment: Landscapes and Habitats. University of Arizona Press, 1964.
Shreve, Forrest. Vegetation of the Sonoran Desert. Washington, D.C.: Carnegie Institution of Washington, 1951.
Shreve, Forrest and Ira L Wiggins. Vegetation and Flora of the Sonoran Desert. Stanford: Stanford University Press, 1964.
Walter, Heinrich. Ecology of Tropical and Subtropical Vegetation. New York: Van Nostrand Reinhold Co., 1971.