Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
879730
| MD | Cecil | Chesapeake Bay along shore at end of Horseshoe Point Ln (Elk Neck State Park) | 2015 |
02060002
| Chester-Sassafras | established |
1321039
| MD | Cecil | Chesapeake Bay, at Elk Neck State Park | 2012 |
02060002
| Chester-Sassafras | established |
1322449
| MD | Cecil | Chesapeake Bay, on a navigational hazard buoy anchor | 2015 |
02060002
| Chester-Sassafras | established |
1322450
| MD | Cecil | Chesapeake Bay, on a navigational hazard buoy anchor | 2015 |
02060002
| Chester-Sassafras | established |
879704
| MD | Cecil | Elk River near mouth of Pearce Creek | 2015 |
02060002
| Chester-Sassafras | established |
1322444
| MD | Kent | Chesapeake Bay, on a navigational hazard buoy anchor | 2015 |
02060002
| Chester-Sassafras | established |
1322445
| MD | Kent | Chesapeake Bay, on a navigational hazard buoy anchor | 2015 |
02060002
| Chester-Sassafras | established |
1322446
| MD | Kent | Chesapeake Bay, on a navigational hazard buoy anchor | 2015 |
02060002
| Chester-Sassafras | established |
1322447
| MD | Kent | Chesapeake Bay, on a navigational hazard buoy anchor | 2015 |
02060002
| Chester-Sassafras | established |
1322448
| MD | Kent | Chesapeake Bay, on a navigational hazard buoy anchor | 2015 |
02060002
| Chester-Sassafras | established |
279514
| MD | Kent | Sassafras River, near mouth of Turner Creek, Kennedyville | 2011 |
02060002
| Chester-Sassafras | unknown |