Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1462739
| MD | Charles | Pomonkey Creek, Potomac River | 2015 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1336153
| MD | Prince George's | In Potomac River at National Harbor near Woodrow Wilson Bridge | 2009 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1462732
| MD | Prince George's | National Harbor, Potomac River | 2015 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1462729
| MD | Prince George's | National Harbor, Potomac River | 2015 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
229715
| MD | Prince George's | Potomac River, near the Woodrow Wilson Bridge | 1995 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
862537
| MD | Prince George's | Potomac River, near the Woodrow Wilson Bridge | 2009 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |