Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1672745
| MD | Montgomery | [No locality description provided] | 2019 |
02070008
| Middle Potomac-Catoctin | |
1678518
| MD | Montgomery | [No locality description provided] | 2019 |
02070008
| Middle Potomac-Catoctin | |
1679124
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1674131
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1675205
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1730773
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
280446
| MD | Montgomery | Potomac River, upstream and downstream ends of Plummers Island and Swainson Island area, just E of I-495 crossing, W side of Bethesda | 2010 |
02070008
| Middle Potomac-Catoctin | established |
280451
| MD | Montgomery | Potomac River, upstream and downstream ends of Plummers Island and Swainson Island area, just E of I-495 crossing, W side of Bethesda | 2010 |
02070008
| Middle Potomac-Catoctin | established |
1655055
| MD | Montgomery | Westlake, MD 20817, USA | 2020 |
02070008
| Middle Potomac-Catoctin | established |
1674770
| VA | Fairfax | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1677061
| VA | Fairfax | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1729890
| VA | Fairfax | [No locality description provided] | 2023 |
02070008
| Middle Potomac-Catoctin | |
1654850
| VA | Fairfax | Fairfax County, VA, USA | 2020 |
02070008
| Middle Potomac-Catoctin | established |
280453
| VA | Fairfax | Wolf Trap Creek by Rosewood Hill Drive, just N of Browns Mill Road, 3.8 air miles NNW center of Vienna. | 2010 |
02070008
| Middle Potomac-Catoctin | established |
1675650
| VA | Loudoun | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1654852
| VA | Loudoun | Loudoun County, VA, USA | 2020 |
02070008
| Middle Potomac-Catoctin | established |
153240
| VA | Loudoun | Potomac drainage in Loudon County | 1994 |
02070008
| Middle Potomac-Catoctin | established |