Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
228937
| LA | Lafourche/Jeffer | Baratonia Basin, coastal southeast Louisiana, bound by the Mississippi and Bayou Lafourche. | 1986 |
08090301
| East Central Louisiana Coastal | established |
229146
| LA | St. Charles | St. Charles Parish | 1980 |
08090301
| East Central Louisiana Coastal | established |
1418747
| LA | Terrebonne | Coastwide Reference Monitoring Systems Station 0369 | 2016 |
08090302
| West Central Louisiana Coastal | established |
229144
| LA | Terrebonne | Terrebonne Parish | 1980 |
08090302
| West Central Louisiana Coastal | established |