Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1673510
| MD | Allegany | [No locality description provided] | 2020 |
02070003
| Cacapon-Town | |
1675345
| MD | Allegany | [No locality description provided] | 2020 |
02070003
| Cacapon-Town | |
1674024
| MD | Baltimore | [No locality description provided] | 2020 |
02060003
| Gunpowder-Patapsco | |
1679031
| MD | Frederick | [No locality description provided] | 2020 |
02070009
| Monocacy | |
1655052
| MD | Howard | Centennial Lake, Ellicott City, MD, US | 2020 |
02060006
| Patuxent | established |
1674131
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1679124
| 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 | |
1655053
| MD | Montgomery | Montgomery, Maryland, United States | 2020 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1655055
| MD | Montgomery | Westlake, MD 20817, USA | 2020 |
02070008
| Middle Potomac-Catoctin | established |