| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1729275
| MD | Baltimore | [No locality description provided] | 2023 |
02060003
| Gunpowder-Patapsco | |
|
1744641
| MD | Calvert | [No locality description provided] | 2020 |
02060004
| Severn | |
|
1739306
| MD | Calvert | [No locality description provided] | 2024 |
02060004
| Severn | |
|
1892065
| MD | Frederick | [No locality description provided] | 2025 |
02070009
| Monocacy | |
|
1743958
| MD | Howard | [No locality description provided] | 2020 |
02060006
| Patuxent | |
|
1672881
| MD | Montgomery | [No locality description provided] | 2019 |
02070008
| Middle Potomac-Catoctin | |
|
1675465
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |