Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
544100
| VA | Arlington | Potomac River, at Chain Bridge | 2009 |
02070008
| Middle Potomac-Catoctin | established |
544531
| VA | Arlington | Potomac River, at Chain Bridge | 2009 |
02070008
| Middle Potomac-Catoctin | established |
261898
| VA | Fairfax | Potomac River at the base of Great Falls | 2009 |
02070008
| Middle Potomac-Catoctin | established |
1729716
| VA | Loudoun | [No locality description provided] | 2023 |
02070008
| Middle Potomac-Catoctin | |