Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1671519
| MD | Charles | [No locality description provided] | 2017 |
02070011
| Lower Potomac | |
1671520
| MD | Charles | [No locality description provided] | 2017 |
02070011
| Lower Potomac | |
1677809
| MD | Charles | [No locality description provided] | 2017 |
02070011
| Lower Potomac | |
1673842
| MD | Charles | [No locality description provided] | 2020 |
02070011
| Lower Potomac | |
1673843
| MD | Charles | [No locality description provided] | 2020 |
02070011
| Lower Potomac | |
1673844
| MD | Charles | [No locality description provided] | 2020 |
02070011
| Lower Potomac | |
228436
| MD | Charles | Mallows Bay | 1985 |
02070011
| Lower Potomac | established |
1462736
| MD | Charles | Mattawoman Creek, Potomac River | 2015 |
02070011
| Lower Potomac | established |
1462727
| MD | Charles | Mattawoman Creek, Potomac River | 2015 |
02070011
| Lower Potomac | established |
1409966
| MD | Charles | Myrtle Grove WMA | 2016 |
02070011
| Lower Potomac | established |
213682
| MD | Charles | Potomac River, from outlet of Mattawoman Creek to Mallows Bay | 1990 |
02070011
| Lower Potomac | established |
228653
| MD | Prince George's | Potomac River, from Haines Pt., D.C. to Indian Head, including Woodrow Wilson Bridge and Marshall Hall. | 1990 |
02070011
| Lower Potomac | established |
1409941
| MD | St. Mary's | St. Mary's River State Park | 2016 |
02070011
| Lower Potomac | established |