Agaves Of Continental North America
Howard Scott Gentry
University of Arizona Press, Tuscan AZ (2004)
The first printing of this book in 1982 was the definitive reference book on Agave. The late Howard Scott Gentry (1903-1993), was recognized as the world's leading authority on agaves, based the detailed taxonomy in this monograph from 25 years of personal research. It covers 136 species in 20 generic groups. with 278 black and white photos, 111 b/w line drawings and 35 distribution maps. This new softbound edition is 670 pages.