|
| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
232149
| MD | | Mine Branch of Deer Creek | 1997 |
02050306
| Lower Susquehanna | established |
|
1700081
| MD | Baltimore | [No locality description provided] | 2020 |
02060003
| Gunpowder-Patapsco | |
|
1746612
| MD | Baltimore | [No locality description provided] | 2021 |
02060003
| Gunpowder-Patapsco | |
|
1891108
| MD | Baltimore | [No locality description provided] | 2025 |
02060003
| Gunpowder-Patapsco | |
|
1893288
| MD | Baltimore | [No locality description provided] | 2025 |
02060003
| Gunpowder-Patapsco | |
|
1655021
| MD | Baltimore | Baltimore County, MD, USA | 2020 |
02060003
| Gunpowder-Patapsco | established |
|
1320981
| MD | Baltimore | Gunpowder Falls Sweet Air Area. Little Gunpowder Falls Branch | 2014 |
02060003
| Gunpowder-Patapsco | established |
|
232146
| MD | Baltimore | Little Gunpowder Run | 1996 |
02060003
| Gunpowder-Patapsco | established |
|
232147
| MD | Baltimore | Northeast Creek | 1996 |
02060003
| Gunpowder-Patapsco | established |
|
1655025
| MD | Calvert | Huntingtown, MD, US | 2020 |
02060006
| Patuxent | established |
|
1320980
| MD | Cecil | Elk River near the boat ramp at Elk Neck State Park | 2014 |
02060002
| Chester-Sassafras | established |
|
213421
| MD | Cecil | Northeast River, mouth of river | 1990 |
02060002
| Chester-Sassafras | established |
|
1428118
| MD | Cecil | Rogues Harbor, Elk River | 2017 |
02060002
| Chester-Sassafras | established |
|
1428099
| MD | Cecil | Rogues Harbor, Elk River | 2017 |
02060002
| Chester-Sassafras | established |
|
1655031
| MD | Cecil | Susquehanna River, Port Deposit, MD, US | 2020 |
02050306
| Lower Susquehanna | established |
|
1456628
| MD | Garrett | Arrowhead Cove, Deep Creek Lake | 2017 |
05020006
| Youghiogheny | established |
|
1409975
| MD | Garrett | Deep Creek Lake, MD (Pawn Run Cove-near trib) | 2015 |
05020006
| Youghiogheny | established |
|
1456629
| MD | Garrett | Hickory Cove, Deep Creek Lake | 2017 |
05020006
| Youghiogheny | established |
|
232514
| MD | Harford | Spesutie Island | 1879 |
02060003
| Gunpowder-Patapsco | established |
|
232148
| MD | Harford | Winters Run | 1996 |
02060003
| Gunpowder-Patapsco | established |
|
232145
| MD | Howard | Dorsey Run | 1997 |
02060006
| Patuxent | established |
|
1320979
| MD | Kent | Chesapeake Bay at Andelot Farm Andelot Farm near Worton | 2014 |
02060002
| Chester-Sassafras | established |
|
232513
| MD | Kent | Galena, in streams | 1877 |
02060002
| Chester-Sassafras | established |
|
1876609
| MD | Montgomery | [No locality description provided] | 2025 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
|
1320978
| MD | Montgomery | In the C. and O. Canal across from Herzog Island | 1936 |
02070008
| Middle Potomac-Catoctin | established |
|