Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1672577
| MD | Charles | [No locality description provided] | 2019 |
02070011
| Lower Potomac | |
280535
| MD | Charles | Potomac River, Mattawoman Creek tidal embayment, ca. 2.2 miles of lower reach from Smallwood State Park area upstream to above mouth of Marbury Run, 3.1-1.1 air miles SW-S center Indian Head | 2011 |
02070011
| Lower Potomac | established |
747002
| MD | Charles | Potomac River, Mattawoman Creek tidal embayment, ca. 2.2 miles of lower reach from Smallwood State Park area upstream to above mouth of Marbury Run, 3.1-1.1 air miles SW-S center Indian Head | 2011 |
02070011
| Lower Potomac | established |
613207
| MD | Charles | Zekiak Swamp Run | 1998 |
02070011
| Lower Potomac | established |
153308
| VA | King George | Potomac River | 1994 |
02070011
| Lower Potomac | collected |
158305
| VA | Prince William | Prince William Forest Park | 1999 |
02070011
| Lower Potomac | established |
612805
| VA | Stafford | Patomac (Potomac) Cr., Fredericksburg | 1997 |
02070011
| Lower Potomac | established |
746768
| VA | Stafford | Potomac Creek, northernmost channel (marshy run), at SR 608 (Brooke Road), 5.0 air miles NE center of Fredericksburg | 2010 |
02070011
| Lower Potomac | established |
280531
| VA | Stafford | Potomac Creek, northernmost channel (marshy run), at SR 608 (Brooke Road), 5.0 air miles NE center of Fredericksburg. | 2010 |
02070011
| Lower Potomac | established |