Plains Gartersnake (Thamnophis
radix)
NORTH DAKOTA: Kidder Co; near Steele - June 2021
NEBRASKA: Cherry Co; Valentine NWR - June 2021
MONTANA: Powder River Co; Pemberton Ponds - July 2014
COLORADO: Baca Co; June 1999 (scan from slide)
NEBRASKA: Cherry Co; near Valentine - May 1996 (scan from slide)