The area includes the dry forest ecoregions of Mexico's Pacific Ocean Coast from Sinaloa and the southern Baja California peninsula south to Guatemala.

North to south, they include:

• Jalisco dry forests
• Balsas dry forests
• Bajío dry forests
• Chiapas Depression dry forests
• Sonoran-Sinaloan transition subtropical dry forest,
• Southern Pacific dry forests
• Sinaloan dry forests
• Sierra de la Laguna dry forests.

• Ecoregions of Mexico

• Mexican dry forests (National Geographic)
• World Wildlife Fund & C.Michael Hogan. 2011. Jalisco dry forests. Encyclopedia of Earth, National Council for Science and the Environment, Washington DC. eds M.McGinley and C.J.cleveland