The Texas rat snake (Elaphe obsoleta lindheimeri) is a subspecies of rat snake, a nonvenomous colubrid found in the United States, primarily within the state of Texas, but its range extends into Louisiana, Arkansas and Oklahoma.[1] It intergrades with other subspecies of Elaphe obsoleta, so exact range boundaries are impossible to distinguish.[2] The epithet lindheimeri is to honor the German-American naturalist Ferdinand Jacob Lindheimer, who collected the first specimen in New Braunfels, Texas.
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