Cacti of the Southwest : Arizona, western New Mexico, southern Colorado, southern Utah, southern Nevada, eastern California - Earle, W. Hubert ([Phoenix, Ariz.] (6737 20th St., Phoenix 85016) : [Rancho Arroyo], 1980)
Page 209-210 blank for notes.
Includes indexes.
Bibliography: p. 181-190.
Keywords: Cactus -- Southwest, New -- Identification; Botany -- Southwest, New