Thamnophis proximus alpinus ROSSMAN 1963
Thamnophis proximus diabolicus ROSSMAN 1963
Thamnophis proximus orarius ROSSMAN 1963
Thamnophis proximus proximus (SAY 1823)
Thamnophis proximus rubrilineatus ROSSMAN 1963
Thamnophis proximus rutiloris (COPE 1885)