Western fox snakes are found from the central part of Michigan's upper peninsula west into South Dakota, Missouri, and Indiana.
Biogeographic Regions: nearctic (Native )
- Conant, R., J. Collins. 1998. Reptiles and Amphibians Eastern/Central North America. New York, NY: Houghton Mifflin Company.
- Michigan Natural Features Inventory, 2004. "Eastern fox snake" (On-line). Michigan Natural Features Inventory. Accessed November 03, 2006 at web4.msue.msu.edu/mnfi/abstracts/zoology/Elaphe_vulpina_gloydi.pdf.
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