Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
233642
| LA | Lafourche | Lafourche Parish | 1993 |
08090300
| Central Louisiana Coastal | established |
228929
| LA | Lafourche/Jeffer | Barataria Basin, coastal southeast Louisiana, bound by the Mississippi and Bayou Lafourche. | 1986 |
08090301
| East Central Louisiana Coastal | established |
228762
| LA | Terrebonne | Terrebonne Parish | 1980 |
08090302
| West Central Louisiana Coastal | established |