Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
115830
| VA | Fairfax | Belle Haven Park, Alexandria - adjacent to Potomac River | 1992 |
02070010
| Middle Potomac-Anacostia-Occoquan | collected |
1668978
| VA | Gloucester | White Marsh, 1.6 km E of, W branch of Severn River | 1996 |
02080102
| Great Wicomico-Piankatank | unknown |
1661806
| VA | James City | 1 MILE SOUTHEAST OF LANEXA | 1961 |
02080206
| Lower James | unknown |