| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1678329
| MD | Baltimore | [No locality description provided] | 2019 |
02060003
| Gunpowder-Patapsco | |
|
587467
| MD | Harford | [No locality description provided by MARIS] | 2006 |
02060003
| Gunpowder-Patapsco | established |
|
587471
| MD | Harford | [No locality description provided by MARIS] | 2008 |
02060003
| Gunpowder-Patapsco | established |
|
587472
| MD | Harford | [No locality description provided by MARIS] | 2008 |
02060003
| Gunpowder-Patapsco | established |
|
587466
| MD | Harford | [No locality description provided by MARIS] | 2008 |
02060003
| Gunpowder-Patapsco | established |
|
587469
| MD | Harford | [No locality description provided by MARIS] | 2008 |
02060003
| Gunpowder-Patapsco | established |
|
587470
| MD | Harford | [No locality description provided by MARIS] | 2008 |
02060003
| Gunpowder-Patapsco | established |
|
587473
| MD | Harford | [No locality description provided by MARIS] | 2009 |
02060003
| Gunpowder-Patapsco | established |
|
587474
| MD | Harford | [No locality description provided by MARIS] | 2010 |
02060003
| Gunpowder-Patapsco | established |
|
587468
| MD | Harford | [No locality description provided by MARIS] | 2010 |
02060003
| Gunpowder-Patapsco | established |
|
157661
| MD | Howard | pond in Columbia, on Montgomery Run Road | 2003 |
02060003
| Gunpowder-Patapsco | established |