Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
26907
| AR | Crittenden | lower Mississippi-Memphis drainage | 1988 |
08010100
| Lower Mississippi-Memphis | established |
26905
| AR | Crittenden | Mississippi River | 1988 |
08010100
| Lower Mississippi-Memphis | established |
159281
| AR | Crittenden | Mississippi River, Cow Island Bend sandbar, RM 714-716 | 1995 |
08010100
| Lower Mississippi-Memphis | established |