Topographical map with physiographic provinces of the state of Sonora, Mexico. Map modified from Cervantes-Zamora et al. (1990).

 
 
  Part of: Lemos-Espinal JA, Smith GR, Rorabaugh JC (2019) A conservation checklist of the amphibians and reptiles of Sonora, Mexico, with updated species lists. ZooKeys 829: 131-160. https://doi.org/10.3897/zookeys.829.32146