The ventral surface is the same color as the dorsal ground color with black or red worm-like markings. In darker specimens, all markings become more obscure. In North America, Nerodia fasciata is found from North Carolina to Texas and in the Mississippi Valley from southern Illinois. In Texas, it is found in the eastern half of the state. Nerodia fasciata confluens in green Nerodia fasciata pictiventris in blue This project funded by the University of Texas College of Natural Sciences and the Texas Memorial Museum .
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