| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
45141
| VA | | middle Potomac-Catoctin drainage | 1994 |
02070008
| Middle Potomac-Catoctin | established |
|
581395
| VA | Loudoun | [No locality description provided by MARIS] | 2005 |
02070008
| Middle Potomac-Catoctin | established |
|
581396
| VA | Loudoun | [No locality description provided by MARIS] | 2008 |
02070008
| Middle Potomac-Catoctin | established |
|
581397
| VA | Loudoun | [No locality description provided by MARIS] | 2009 |
02070008
| Middle Potomac-Catoctin | established |
|
581398
| VA | Loudoun | [No locality description provided by MARIS] | 2010 |
02070008
| Middle Potomac-Catoctin | established |
|
1701103
| VA | Loudoun | [No locality description provided] | 2022 |
02070008
| Middle Potomac-Catoctin | |
|
1891800
| VA | Loudoun | [No locality description provided] | 2025 |
02070008
| Middle Potomac-Catoctin | |
|
153379
| VA | Loudoun | Potomac drainage in Loudon County | 1994 |
02070008
| Middle Potomac-Catoctin | established |