Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1679103
| MD | Allegany | [No locality description provided] | 2020 |
02070002
| North Branch Potomac | |
1674870
| MD | Baltimore | [No locality description provided] | 2020 |
02060003
| Gunpowder-Patapsco | |
1679192
| MD | Carroll | [No locality description provided] | 2020 |
02060003
| Gunpowder-Patapsco | |
1675255
| MD | Frederick | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1679125
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1655056
| MD | Montgomery | Potomac, MD, USA | 2020 |
02070008
| Middle Potomac-Catoctin | established |