Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
26706
| AR | | Mississippi River, AR, lower Mississippi-Memphis drainage, at common border with TN | 1980 |
08020203
| Lower St. Francis | established |
27016
| AR | Chicot | Mississippi River near Eudora | 1978 |
08030100
| Lower Mississippi-Greenville | established |
27018
| AR | Chicot | Mississippi River near Eudora | 1979 |
08030100
| Lower Mississippi-Greenville | established |
27015
| AR | Crittenden | Mississippi River near West Memphis | 1980 |
08010100
| Lower Mississippi-Memphis | established |
27014
| AR | Mississippi | Mississippi River near Blytheville | 1981 |
08010100
| Lower Mississippi-Memphis | established |