Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
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 |
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 |
242004
| MD | Dorchester | Gibbs Marsh, at Meekins Creek | 1952 |
02080110
| Tangier | established |
242399
| MD | Dorchester | Tudor Farms (near the town of Cambridge) | 1995 |
02080110
| Tangier | established |
250257
| MD | Dorchester | Tudor Farms (near the town of Cambridge) | 2001 |
02080110
| Tangier | established |
254244
| MD | Somerset | Colbourne Creek | 2008 |
02080110
| Tangier | established |
254252
| MD | Somerset | Deal Island | 2006 |
02080110
| Tangier | established |
254248
| MD | Somerset | Fairmount Wildlife Management Area | 2007 |
02080110
| Tangier | established |
242006
| MD | Somerset | Somerset County | 1979 |
02080110
| Tangier | established |
254253
| MD | Wicomico | Ellis Bay Wildlife Management Area | 2007 |
02080110
| Tangier | established |
254226
| MD | Wicomico | Simms Wharf | 2007 |
02080110
| Tangier | established |
242007
| MD | Wicomico | Wicomico County | 1979 |
02080110
| Tangier | established |