Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
35128
| MD | | Northwest area of the bay drainage | 1980 |
02060003
| Gunpowder-Patapsco | established |
1674180
| MD | Anne Arundel | [No locality description provided] | 2019 |
02060003
| Gunpowder-Patapsco | |
1677537
| MD | Baltimore | [No locality description provided] | 2013 |
02060003
| Gunpowder-Patapsco | |
1678381
| MD | Baltimore | [No locality description provided] | 2019 |
02060003
| Gunpowder-Patapsco | |
1670659
| MD | Harford | [No locality description provided] | 2014 |
02060003
| Gunpowder-Patapsco | |
1678592
| MD | Harford | [No locality description provided] | 2019 |
02060003
| Gunpowder-Patapsco | |