WWF Abstract

This ecoregion covers most of southern Arizona, part of southwestern New Mexico, and extends into northern Sonora in Mexico.
Read more: View WWF Report
Biome:Xeric Freshwaters and Endorheic Basins
Countries:Mexico, United States
Area:38,097,620 acres (15,417,560 hectares)
Species:All  Endangered  Invasive
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER