|
Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
242019
| MD | Allegany | Potomac River | 2001 |
02070002
| North Branch Potomac | established |
242014
| MD | Anne Arundel | Patuxent River | 2001 |
02060006
| Patuxent | established |
1656912
| MD | Baltimore | [Near Jones Falls Trail] | 2021 |
02060003
| Gunpowder-Patapsco | unknown |
254288
| MD | Calvert | Cove Point | 1999 |
02060004
| Severn | failed |
254289
| MD | Calvert | Cove Point | 2000 |
02060004
| Severn | failed |
254287
| MD | Calvert | Flag Ponds Park | 1998 |
02060004
| Severn | established |
254285
| MD | Calvert | Parkers Creek Wildlife Management Area | 1999 |
02060004
| Severn | failed |
242015
| MD | Calvert | Patuxent River mouth | 2001 |
02060001
| Upper Chesapeake Bay | established |
254232
| MD | Caroline | Choptank River, Hog Island | 2007 |
02060005
| Choptank | established |
254229
| MD | Caroline | Tanyard | 2008 |
02060005
| Choptank | established |
242028
| MD | Cecil | Cecil County | 2001 |
02060002
| Chester-Sassafras | established |
242021
| MD | Charles/Prince G | Potomac River | 2001 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
242001
| MD | Dorchester | Blackwater National Wildlife Refuge | 1943 |
02080110
| Tangier | established |
242000
| MD | Dorchester | Blackwater National Wildlife Refuge | 1974 |
02080110
| Tangier | established |
250255
| MD | Dorchester | Blackwater National Wildlife Refuge | 2001 |
02080110
| Tangier | established |
163881
| MD | Dorchester | Blackwater National Wildlife Refuge | 2005 |
02080110
| Tangier | established |
242005
| MD | Dorchester | Bull Point Marsh | 1957 |
02080110
| Tangier | established |
242002
| MD | Dorchester | Church Creek | 1943 |
02060005
| Choptank | established |
242003
| MD | Dorchester | Coles Creek Marsh | 1951 |
02080110
| Tangier | established |
242029
| MD | Dorchester | Fishing Bay Wildlife Management Area | 2001 |
02080110
| Tangier | established |
250256
| MD | Dorchester | Fishing Bay Wildlife Management Area | 2001 |
02080110
| Tangier | established |
254228
| MD | Dorchester | Galestown | 2008 |
02080109
| Nanticoke | established |
242004
| MD | Dorchester | Gibbs Marsh, at Meekins Creek | 1952 |
02080110
| Tangier | established |
254284
| MD | Dorchester | Thorofare [Channel] marsh, [near Hooopersville] | 2008 |
02060005
| Choptank | established |
242399
| MD | Dorchester | Tudor Farms (near the town of Cambridge) | 1995 |
02080110
| Tangier | established |
|