TY - RPRT TI - Evidence of Hybridization between Common Gartersnakes ( Thamnophis sirtalis ) and Butler’s Gartersnakes ( Thamnophis butleri ) in Wisconsin (USA). AU - Joshua M. Kapfer AU - Brian L. Sloss AU - Gregor W. Schuurman AU - Rori A. Paloski AU - Jeffrey M. Lorch PY - 2013 DO - 10.1670/12-057 UR - https://pubs.usgs.gov/publication/70173504 ID - 70173504 ER -