Plains garter snakes are found throughout the North American plains region, from the Oklahoma panhandle, northernmost Texas, and northeastern New Mexico north to southern Alberta, Saskatchewan, and Manitoba, and east through Minnesota, Wisconsin, and Indiana.
Biogeographic Regions: nearctic (Native )
Rights Holder: The Regents of the University of Michigan and its licensors
Bibliographic Citation: Dewey, T. 2009. "Thamnophis radix" (On-line), Animal Diversity Web. Accessed April 27, 2013 at
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