Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1670670
| MD | Baltimore | 200?398 Stillwater Rd, Essex, MD, US | 2014 |
02060003
| Gunpowder-Patapsco | |
1672972
| MD | Baltimore | 2002 Cromwell Bridge Rd, Parkville, MD 21234, USA | 2019 |
02060003
| Gunpowder-Patapsco | |
1673292
| MD | Baltimore | Cromwell Valley, Hampton, MD, USA | 2019 |
02060003
| Gunpowder-Patapsco | |
1670651
| MD | Baltimore | Masonville Cove | 2014 |
02060003
| Gunpowder-Patapsco | |
1674923
| MD | Carroll | Turf Farm Dr, Sykesville, MD, US | 2020 |
02060003
| Gunpowder-Patapsco | |
1670660
| MD | Harford | 35 E Jarrettsville Rd, Forest Hill, MD, US | 2014 |
02060003
| Gunpowder-Patapsco | |
1670669
| MD | Harford | Rockfield Park, Bel Air, MD, US | 2014 |
02060003
| Gunpowder-Patapsco | |
1677518
| MD | Howard | Howard County, US-MD, US | 2015 |
02060003
| Gunpowder-Patapsco | |
1677519
| MD | Howard | Howard County, US-MD, US | 2015 |
02060003
| Gunpowder-Patapsco | |
611315
| MD | Howard | Patapsco River, Ellicott City, Md. | 1998 |
02060003
| Gunpowder-Patapsco | established |