This species' range extends from the Pacific to the Atlantic coast of North America, from southwestern Oregon, Nevada, southern Utah, southern Colorado, southeastern Nebraska, southern Iowa, Illinois, southern Indiana, southern Ohio, West Virginia, and New Jersey in the United States, south to southern Baja California, northern Sinaloa, San Luis Potosi, Tamaulipas, Texas, the U.S. Gulf Coast, and southern Florida, at elevations from sea level to around 2,130 m asl (7,000 feet) (Conant and Collins 1991, Stebbins 2003).