Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1655011
| MD | Charles | Ann Harbor Dr, Port Tobacco, MD, US | 2020 |
02070011
| Lower Potomac | established |
1655016
| MD | Charles | Smallwood Rd, Marbury, MD, US | 2020 |
02070011
| Lower Potomac | established |
1654734
| VA | King George | Caledon State Park, King George County, VA, USA | 2019 |
02070011
| Lower Potomac | established |