Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
45134
| VA | | Potomac River, whole length [Location approximate, hand plotted] | 1994 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
44934
| VA | Alexandria | Potomac River | 1890 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1679836
| VA | Arlington | Poplar Pond, Long Branch Nature Center, Arlington, VA 22204, USA | 2021 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
587970
| VA | Fairfax | [No locality description provided by MARIS] | 2010 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
158569
| VA | Fairfax | Little Hunting Creek, a tributary of the Potomac | 2004 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
153375
| VA | Fairfax | Potomac River | 1994 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |