The large range of this species encompasses most of the eastern United States and a relatively small portion of adjacent southeastern Canada, from Maine, southern Quebec, and southern Ontario to Minnesota, extreme southern South Dakota, and eastern Colorado, and south to extreme northern Texas, southern Louisiana, the Florida panhandle, western South Carolina, and North Carolina, at elevations from sea level to around 1,675 m (5,500 feet) (Conant and Collins 1991, Hammerson 1999, Ernst and Ernst 2003, Stebbins 2003, Gibbons and Dorcas 2004).