Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1655015
| MD | Anne Arundel | Patuxent Ponds Park, Odenton, MD, US | 2020 |
02060006
| Patuxent | established |
1654959
| MD | Harford | Harford Community College, Bel Air, MD, US | 2020 |
02050306
| Lower Susquehanna | established |
1674968
| MD | Howard | [No locality description provided] | 2020 |
02060003
| Gunpowder-Patapsco | |
1676204
| MD | Howard | [No locality description provided] | 2020 |
02060006
| Patuxent | |
1730772
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1674056
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1674486
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1674718
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1676564
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1679599
| MD | Montgomery | [No locality description provided] | 2020 |
02070008
| Middle Potomac-Catoctin | |
1679447
| MD | Montgomery | [No locality description provided] | 2020 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1676495
| MD | Prince George's | [No locality description provided] | 2020 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1679595
| MD | Worcester | [No locality description provided] | 2020 |
02080111
| Pokomoke-Western Lower Delmarva | |
1655027
| MD | Worcester | Worcester County, MD, USA | 2020 |
02080111
| Pokomoke-Western Lower Delmarva | established |