Bibliography
Powell, R., J. T. Collins, and E. D. Hooper, Jr. 2011. Key to the Herpetofauna of the Continental United States and Canada. Second Edition, Revised and Updated [Lawrence]: University Press of Kansas.
Powell, R., J. T. Collins, and E. D. Hooper, Jr. 2011. Key to the Herpetofauna of the Continental United States and Canada. Second Edition, Revised and Updated [Lawrence]: University Press of Kansas.
