| canada | ontario | campostoma anomalum | species | 8 | 0 |
| mexico | nuevo leon | campostoma anomalum | species | 3 | 0 |
| united states | | campostoma anomalum | species | 24 | 0 |
| united states | arkansas | campostoma anomalum | species | 6 | 0 |
| united states | georgia | campostoma anomalum michauxi | subspecies | 1 | 0 |
| united states | illinois | campostoma anomalum | species | 1 | 0 |
| united states | indiana | campostoma anomalum | species | 4 | 0 |
| united states | iowa | campostoma anomalum | species | 2 | 0 |
| united states | kansas | campostoma anomalum | species | 1 | 0 |
| united states | kentucky | campostoma anomalum | species | 7 | 0 |
| united states | maryland | campostoma anomalum | species | 6 | 0 |
| united states | missouri | campostoma anomalum | species | 2 | 0 |
| united states | missouri | campostoma pullum | species | 6 | 0 |
| united states | nebraska | campostoma pullum | species | 4 | 0 |
| united states | new mexico | campostoma anomalum | species | 4 | 0 |
| united states | new york | campostoma anomalum | species | 2 | 0 |
| united states | north carolina | campostoma anomalum | species | 1 | 0 |
| united states | north carolina | campostoma anomalum michauxi | subspecies | 5 | 0 |
| united states | ohio | campostoma anomalum | species | 2 | 2 |
| united states | oklahoma | campostoma anomalum | species | 2 | 0 |
| united states | pennsylvania | campostoma anomalum | species | 3 | 0 |
| united states | tennessee | campostoma anomalum | species | 2 | 2 |
| united states | texas | campostoma anomalum | species | 1 | 1 |
| united states | texas | campostoma pullum | species | 5 | 0 |
| united states | virginia | campostoma anomalum | species | 8 | 0 |