Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1649629
| MD | Anne Arundel | Rhode River | 2019 |
02060004
| Severn | unknown |
1674111
| MD | Baltimore | [No locality description provided] | 2019 |
02060003
| Gunpowder-Patapsco | |
1679847
| MD | Calvert | [No locality description provided] | 2021 |
02060006
| Patuxent | |
1729495
| MD | Caroline | [No locality description provided] | 2023 |
02060005
| Choptank | |
1739461
| MD | Caroline | [No locality description provided] | 2024 |
02080109
| Nanticoke | |
1739462
| MD | Caroline | [No locality description provided] | 2024 |
02080109
| Nanticoke | |
1677007
| MD | Cecil | [No locality description provided] | 2021 |
02050306
| Lower Susquehanna | |
277592
| MD | Cecil | Susquehanna River, at Conowingo | 2011 |
02050306
| Lower Susquehanna | unknown |
1736859
| MD | Cecil | Susquehanna River, Conowingo Dam Fish Collection Facility | 2024 |
02050306
| Lower Susquehanna | established |
1739475
| MD | Charles | [No locality description provided] | 2024 |
02070011
| Lower Potomac | |
271971
| MD | Charles | Nanjemoy Creek | 2010 |
02070011
| Lower Potomac | established |
624390
| MD | Frederick | Monocacy River, 100 yards south of Devilbiss Bridge parking lot | 2013 |
02070009
| Monocacy | established |
271928
| MD | Howard | Patuxent River | 2010 |
02060006
| Patuxent | unknown |
1674583
| MD | Prince George's | [No locality description provided] | 2020 |
02060006
| Patuxent | |
271927
| MD | Prince George's | Potomac River near Fort Washington | 2010 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
848983
| MD | Prince George's | Potomac River near Fort Washington | 2012 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
859909
| MD | Prince George's | Potomac River near Fort Washington | 2015 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1739343
| MD | Wicomico | [No locality description provided] | 2024 |
02080109
| Nanticoke | |