| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1889470
| MD | Anne Arundel | [No locality description provided; coordinates obscured by collector] | 2025 |
02060003
| Gunpowder-Patapsco | |
|
1895317
| MD | Baltimore | [No locality description provided; coordinates obscured by collector] | 2025 |
02060003
| Gunpowder-Patapsco | |
|
1670670
| MD | Baltimore | [No locality description provided] | 2014 |
02060003
| Gunpowder-Patapsco | |
|
1670651
| MD | Baltimore | [No locality description provided] | 2014 |
02060003
| Gunpowder-Patapsco | |
|
1672972
| MD | Baltimore | [No locality description provided] | 2019 |
02060003
| Gunpowder-Patapsco | |
|
1673292
| MD | Baltimore | [No locality description provided] | 2019 |
02060003
| Gunpowder-Patapsco | |
|
1750489
| MD | Baltimore | [No locality description provided] | 2023 |
02060003
| Gunpowder-Patapsco | |
|
1740084
| MD | Baltimore | [No locality description provided] | 2024 |
02060003
| Gunpowder-Patapsco | |
|
1889440
| MD | Baltimore | [No locality description provided] | 2025 |
02060003
| Gunpowder-Patapsco | |
|
1892017
| MD | Baltimore | [No locality description provided] | 2025 |
02060003
| Gunpowder-Patapsco | |
|
1892896
| MD | Baltimore | [No locality description provided] | 2025 |
02060003
| Gunpowder-Patapsco | |
|
1674923
| MD | Carroll | [No locality description provided] | 2020 |
02060003
| Gunpowder-Patapsco | |
|
1670660
| MD | Harford | [No locality description provided] | 2014 |
02060003
| Gunpowder-Patapsco | |
|
1670669
| MD | Harford | [No locality description provided] | 2014 |
02060003
| Gunpowder-Patapsco | |
|
1677518
| MD | Howard | [No locality description provided] | 2015 |
02060003
| Gunpowder-Patapsco | |
|
1677519
| MD | Howard | [No locality description provided] | 2015 |
02060003
| Gunpowder-Patapsco | |
|
611315
| MD | Howard | Patapsco River, Ellicott City, Md. | 1998 |
02060003
| Gunpowder-Patapsco | established |