Place
- Michigan Counties-Herp Survey100
- Tamaulipas & San Luis Potosi, Mexico100
- Texas, OK, LA, CA93
- Southeastern U.S.92
- Cosmopolitan91
- Appalachians TN NC VA OH86
- Western U.S.84
- Nevada71
- various US states mexico Costa Rica69
- Venezuela65
- South Carolina, Texas and Mexico64
- Michigan63
- North Carolina59
- Survey of Michigan Herps59
- Washington59
- U.S. various states58
- Tennessee57
- Colorado & Utah56
- Nicaragua55
- Panama and Trinidad53