Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
257757
| MD | | state non-specific | 2008 |
02000000
| Mid Atlantic Region | collected |
1654899
| MD | Anne Arundel | Railroad Bed Trail, Lothian, MD 20711, USA | 2018 |
02060006
| Patuxent | established |
1654894
| MD | Baltimore | 3100 Childs St, Baltimore, MD, US | 2018 |
02060003
| Gunpowder-Patapsco | established |
1654896
| MD | Calvert | 11446 11630 Mill Bridge Rd, Lusby, MD, US | 2018 |
02060006
| Patuxent | established |
1468740
| MD | Calvert | Kings Landing Park | 2018 |
02060006
| Patuxent | established |
1655011
| MD | Charles | Ann Harbor Dr, Port Tobacco, MD, US | 2020 |
02070011
| Lower Potomac | established |
1655016
| MD | Charles | Smallwood Rd, Marbury, MD, US | 2020 |
02070011
| Lower Potomac | established |
1655017
| MD | Dorchester | 1, Barren Creek, MD, USA | 2020 |
02080110
| Tangier | established |
1654875
| MD | Dorchester | Dorchester County, MD, USA | 2017 |
02080110
| Tangier | established |
1396175
| MD | Dorchester | Transquaking River | 2011 |
02080110
| Tangier | established |
1467951
| MD | Montgomery | Plummer's Island; in pool halfway between Ferry Landing and upper end C. & O. Canal | 1936 |
02070008
| Middle Potomac-Catoctin | unknown |
1467166
| MD | Montgomery | Rock Creek Park | 2018 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1654933
| MD | Prince George's | 10464 10598 Good Luck Rd, Glenn Dale, MD, US | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1396263
| MD | Somerset | Wicomico River | 2011 |
02080110
| Tangier | established |
1655012
| MD | Talbot | 4, Chapel, MD, USA | 2020 |
02060005
| Choptank | established |