|
Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
35093
| MD | | Potomac River, south of Alexandria | 1876 |
02070011
| Lower Potomac | unknown |
35135
| MD | | Potomac River, whole length | 1994 |
02070008
| Middle Potomac-Catoctin | established |
278654
| MD | | state non-specific | 1929 |
02000000
| Mid Atlantic Region | established |
35037
| MD | | state non-specific | 1985 |
02000000
| Mid Atlantic Region | established |
587394
| MD | Allegany | [No locality description provided by MARIS] | 1978 |
02070002
| North Branch Potomac | established |
587395
| MD | Anne Arundel | [No locality description provided by MARIS] | 2005 |
02060006
| Patuxent | established |
587397
| MD | Anne Arundel | [No locality description provided by MARIS] | 2008 |
02060006
| Patuxent | established |
587396
| MD | Anne Arundel | [No locality description provided by MARIS] | 2008 |
02060006
| Patuxent | established |
1678329
| MD | Baltimore | [No locality description provided] | 2019 |
02060003
| Gunpowder-Patapsco | |
587401
| MD | Cecil | [No locality description provided by MARIS] | 2009 |
02060002
| Chester-Sassafras | established |
587399
| MD | Cecil | [No locality description provided by MARIS] | 2009 |
02060002
| Chester-Sassafras | established |
587400
| MD | Cecil | [No locality description provided by MARIS] | 2010 |
02060001
| Upper Chesapeake Bay | established |
587402
| MD | Cecil | [No locality description provided by MARIS] | 2010 |
02060002
| Chester-Sassafras | established |
587398
| MD | Cecil | [No locality description provided by MARIS] | 2010 |
02060001
| Upper Chesapeake Bay | established |
587390
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
587425
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070011
| Lower Potomac | established |
587429
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070011
| Lower Potomac | established |
587434
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070011
| Lower Potomac | established |
587441
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070011
| Lower Potomac | established |
587388
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
587423
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070011
| Lower Potomac | established |
587415
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070011
| Lower Potomac | established |
587418
| MD | Charles | [No locality description provided by MARIS] | 2003 |
02070011
| Lower Potomac | established |
587411
| MD | Charles | [No locality description provided by MARIS] | 2006 |
02070011
| Lower Potomac | established |
587414
| MD | Charles | [No locality description provided by MARIS] | 2006 |
02070011
| Lower Potomac | established |
|