Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1418761
| MD | Dorchester | Shoal Creek at Heron Blvd, River Marsh Golf Club | 2017 |
02060005
| Choptank | established |
1654870
| MD | Prince George's | Fairland Recreational Park, Laurel, MD, US | 2017 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1654869
| MD | Prince George's | Prince George's County, MD, USA | 2017 |
02060006
| Patuxent | established |