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LI Z AR D HAB ITAT 25
Sierra Nevada Mountains
Rocky Mountains
Great Basin Desert California Central Valley
Great Plains
Colorado Plateau
Mojave Desert
Pacific Coast
Arizona–New Mexico Central Mountains Sonoran Desert
Baja California Peninsular Ranges
Apachean
Chihuahuan Desert
Western Mexico Subtropical/Tropical Sierra Madre Occidental
Cape Region
Map 2. Ecoregions map. This simplified map’s delineations help explain lizard distribution (including lack of species). Yellows are desert-dominated ecoregions, greens are mountain-dominated, blue-greens are maritime, browns are grassland-dominated, purples are tropical and subtropical, and reds are valleys and plateau ecoregions.