Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
228831
| LA | Jefferson | Grand Isle. | 1971 |
08090301
| East Central Louisiana Coastal | established |
228931
| LA | Lafourche/Jeffer | Barataria Basin, in southeast coastal Louisiana, bound by Mississippi and Bayou Lafourche. | 1986 |
08090301
| East Central Louisiana Coastal | established |
233722
| LA | Plaquemines | Plaquemines Parish | 1993 |
08090301
| East Central Louisiana Coastal | established |
233721
| LA | Terrebonne | Terrebonne Parish | 1993 |
08090302
| West Central Louisiana Coastal | established |