Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1695175
| MD | Charles | Greenway Flats, Potomac River | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1695176
| MD | Charles | Greenway Flats, Potomac River | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1695226
| MD | Charles | Greenway Flats, Potomac River | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1695177
| MD | Charles | Greenway Flats, Potomac River | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1695178
| MD | Charles | Greenway Flats, Potomac River | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1695181
| MD | Charles | Greenway Flats, Potomac River | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1695227
| MD | Charles | Greenway Flats, Potomac River | 2019 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1462739
| MD | Charles | Pomonkey Creek, Potomac River | 2015 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1728133
| MD | Montgomery | [No locality description provided] | 2021 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1634129
| MD | Prince Georges | Potomac River, near dock behind herb garden and residence, Bryan Point | 1986 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1671056
| MD | Prince George's | [No locality description provided] | 2016 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1671057
| MD | Prince George's | [No locality description provided] | 2016 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1737934
| MD | Prince George's | [No locality description provided] | 2021 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1654908
| MD | Prince George's | 5514 Cleveland Ave, College Park, MD 20740, USA | 2018 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1336153
| MD | Prince George's | In Potomac River at National Harbor near Woodrow Wilson Bridge | 2009 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
1462732
| MD | Prince George's | National Harbor, Potomac River | 2015 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1462729
| MD | Prince George's | National Harbor, Potomac River | 2015 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
229715
| MD | Prince George's | Potomac River, near the Woodrow Wilson Bridge | 1995 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
862537
| MD | Prince George's | Potomac River, near the Woodrow Wilson Bridge | 2009 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |