Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
878181
| VA | King George | King George County | 2015 |
02070011
| Lower Potomac | established |
1457706
| VA | King George | Western Mathias Point, along shore of Potomac River | 1991 |
02070011
| Lower Potomac | unknown |
213507
| VA | Stafford | Aquia Creek, tributary of Potomac River | 1960 |
02070011
| Lower Potomac | established |
229415
| VA | Stafford | Brent Marsh, along the western shore of Potomac River, 2 mi south of Widewater, abundant in deeper waters of the intertidal zone. | 1994 |
02070011
| Lower Potomac | established |
878180
| VA | Stafford | Stafford County | 2015 |
02070011
| Lower Potomac | established |
228431
| VA | Stafford/King G | Potomac River | 1983 |
02070011
| Lower Potomac | established |
261483
| VA | Westmoreland | Lower Machodoc Creek, tributary of Potomac River | 1960 |
02070011
| Lower Potomac | established |
887771
| VA | Westmoreland | Lower Machodoc Creek, tributary of Potomac River | 1978 |
02070011
| Lower Potomac | established |
887772
| VA | Westmoreland | Rosier Creek, off the Potomac River | 1978 |
02070011
| Lower Potomac | established |
878182
| VA | Westmoreland | Westmoreland County | 2015 |
02070011
| Lower Potomac | established |