Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
230899
| DC | District of Columbia | ditches leading to marshy backwater area of the Anacostia River, from Kenilworth Gardens in Washington D.C. | 1982 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
877576
| DC | District of Columbia | Kenilworth Aquatic Gardens | 1982 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
232297
| DE | Sussex | Records Pond, Laurel | 1982 |
02080109
| Nanticoke | established |
230900
| MD | Montgomery | Chesapeake and Ohio Canal, Violettes Lock, near Seneca | 1982 |
02070008
| Middle Potomac-Catoctin | established |
230404
| NC | Wake | Lake Anne | 1982 |
03020201
| Upper Neuse | established |
229950
| VA | Fairfax | Dyke Marsh, Potomac River. | 1982 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
228435
| VA | Fairfax | Potomac River; bay near Belle Haven, south of Alexandria | 1982 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |