Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
877663
| MD | Baltimore | Dark Head Creek just W of Wilson Point | 2015 |
02060003
| Gunpowder-Patapsco | unknown |
878005
| MD | Baltimore | Middle River at Eastern Yacht Club (Turkey Point) | 2015 |
02060003
| Gunpowder-Patapsco | unknown |
878004
| MD | Baltimore | Middle River, just S of Midthorne Park | 2015 |
02060003
| Gunpowder-Patapsco | unknown |
878006
| MD | Baltimore | Middle River, wooden pier of marina, SW of Miami Beach Park | 2015 |
02060003
| Gunpowder-Patapsco | unknown |
879730
| MD | Cecil | Chesapeake Bay along shore at end of Horseshoe Point Ln (Elk Neck State Park) | 2015 |
02060002
| Chester-Sassafras | established |
1322450
| MD | Cecil | Chesapeake Bay, on a navigational hazard buoy anchor | 2015 |
02060002
| Chester-Sassafras | established |
1322449
| 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 |
879722
| MD | Harford | Chesapeake Bay, S of mouth of Susquehanna River | 2015 |
02060001
| Upper Chesapeake Bay | established |
1322446
| 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 |
1322447
| MD | Kent | Chesapeake Bay, on a navigational hazard buoy anchor | 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 |