Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
153250
| VA | | middle Potomac-Anacostia-Occoquan drainage | 1994 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1699326
| VA | Alexandria | [No locality description provided] | 2022 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1654841
| VA | Alexandria | Eisenhower West, Alexandria, VA, USA | 2018 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1739377
| VA | Fairfax | [No locality description provided] | 2024 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
611805
| VA | Fairfax | Accotink Cr. | 1996 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1654836
| VA | Fairfax | Newington, VA, USA | 2017 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1699877
| VA | Fauquier | [No locality description provided] | 2020 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1699396
| VA | Fauquier | [No locality description provided] | 2022 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1654838
| VA | Manassas | Manassas County, US-VA, US | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1745200
| VA | Prince William | [No locality description provided] | 2020 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
611818
| VA | Prince William | Bull Run | 1998 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |