| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1897464
| DC | District of Columbia | Anacostia River, at Anacostia Park near boat dock | 2025 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
|
747539
| DC | District of Columbia | Potomac River, cove area between Gravelly Point and N end of National Airport near boat ramp, in E Arlington | 2010 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |