Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1654883
| MD | Anne Arundel | 830 Pasadena Rd, Pasadena, MD 21122, USA | 2017 |
02060004
| Severn | established |
259364
| MD | Baltimore | Norman Creek, near the Sunset Harbor Marina, off of Middle River | 2008 |
02060003
| Gunpowder-Patapsco | collected |
259709
| MD | Baltimore | Sue Creek, off of Middle River | 2008 |
02060003
| Gunpowder-Patapsco | collected |
240678
| MD | Charles | Mattawoman Creek, across from Smallwood State Park marina | 2007 |
02070011
| Lower Potomac | collected |
1409949
| MD | Charles | Myrtle Grove WMA | 2016 |
02070011
| Lower Potomac | unknown |
1655008
| MD | Howard | Woodbine, MD 21797, USA | 2020 |
02060006
| Patuxent | established |
235487
| MD | unknown | unknown | 2003 |
| | established |