| canada | saskatchewan | pituophis catenifer | species | 0 | 1 |
| canada | saskatchewan | pituophis catenifer sayi | subspecies | 0 | 1 |
| guatemala | | pituophis lineaticollis | species | 7 | 0 |
| mexico | baja california sur | pituophis melanoleucus | species | 1 | 0 |
| mexico | chihuahua | pituophis catenifer | species | 2 | 0 |
| mexico | chihuahua | pituophis deppei deppei | subspecies | 1 | 0 |
| mexico | coahuila zaragoza | pituophis catenifer | species | 2 | 0 |
| mexico | durango | pituophis catenifer | species | 2 | 0 |
| mexico | durango | pituophis deppei deppei | subspecies | 1 | 0 |
| mexico | guanajuato | pituophis deppei deppei | subspecies | 3 | 0 |
| mexico | guerrero | pituophis lineaticollis lineaticollis | subspecies | 3 | 0 |
| mexico | hidalgo | pituophis catenifer | species | 1 | 0 |
| mexico | jalisco | pituophis deppei deppei | subspecies | 5 | 0 |
| mexico | michoacan ocampo | pituophis deppei deppei | subspecies | 2 | 0 |
| mexico | michoacan ocampo | pituophis lineaticollis lineaticollis | subspecies | 1 | 0 |
| mexico | morelos | pituophis lineaticollis lineaticollis | subspecies | 3 | 0 |
| mexico | nuevo leon | pituophis catenifer | species | 1 | 0 |
| mexico | nuevo leon | pituophis deppei jani | subspecies | 2 | 0 |
| mexico | oaxaca | pituophis lineaticollis gibsoni | subspecies | 2 | 0 |
| mexico | oaxaca | pituophis lineaticollis lineaticollis | subspecies | 5 | 0 |
| mexico | puebla | pituophis deppei deppei | subspecies | 1 | 0 |
| mexico | san luis potosi | pituophis deppei jani | subspecies | 2 | 0 |
| mexico | sonora | pituophis catenifer | species | 1 | 0 |
| mexico | sonora | pituophis deppei deppei | subspecies | 2 | 0 |
| mexico | tamaulipas | pituophis deppei jani | subspecies | 1 | 0 |
| mexico | tlaxcala | pituophis deppei deppei | subspecies | 3 | 0 |
| mexico | zacatecas | pituophis deppei deppei | subspecies | 2 | 0 |
| mexico | zacatecas | pituophis deppei jani | subspecies | 1 | 0 |
| united states | | pituophis catenifer | species | 17 | 0 |
| united states | | pituophis melanoleucus | species | 14 | 0 |
| united states | arizona | pituophis catenifer | species | 5 | 0 |
| united states | california | pituophis catenifer | species | 1 | 1 |
| united states | california | pituophis melanoleucus | species | 3 | 0 |
| united states | illinois | pituophis catenifer | species | 1 | 0 |
| united states | indiana | pituophis catenifer | species | 2 | 0 |
| united states | kansas | pituophis catenifer | species | 1 | 0 |
| united states | louisiana | pituophis melanoleucus | species | 2 | 0 |
| united states | louisiana | pituophis ruthveni | species | 2 | 1 |
| united states | montana | pituophis melanoleucus | species | 1 | 0 |
| united states | new jersey | pituophis melanoleucus | species | 0 | 1 |
| united states | new mexico | pituophis catenifer | species | 0 | 1 |
| united states | new mexico | pituophis catenifer sayi | subspecies | 0 | 1 |
| united states | new mexico | pituophis melanoleucus | species | 0 | 1 |