Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1670540
| MD | Carroll | private pond at Carroll Warehime Rd | 2021 |
02060003
| Gunpowder-Patapsco | established |
1728545
| MD | Frederick | [No locality description provided] | 2023 |
02070009
| Monocacy | |
1673255
| MD | Montgomery | [No locality description provided] | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1679461
| MD | Montgomery | [No locality description provided] | 2020 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1680061
| MD | Montgomery | [No locality description provided] | 2021 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1701601
| MD | Montgomery | [No locality description provided] | 2022 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1447470
| MD | Montgomery | Paint Branch, N of E Randolph Rd, in Fairview Estates | 2017 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |