This ecological atlas of the region's plants is a fully revised version of the 1972 atlas by Hastings, Turner, and Warren. Featured is information on the taxonomy, distribution, and ecology of 339 plants found in the Sonoran Desert. Also included is information on each species' natural history, and ethnobotanical, commercial, and horticultural uses. A number of endemic plants are also featured. Descriptions provde scientific,common and Spanish names, plus information on the region of the peninsula where the plant may be found and in what habitats.
Introductory chapters discuss the region's geology, plant distribution and climate.