Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
31198
| DE | | coastal plain portion of the Delmarva | 1976 |
02040207
| Broadkill-Smyrna | established |
31125
| DE | | state non-specific | 1991 |
02000000
| Mid Atlantic Region | established |
268181
| DE | | Upper Chesapeake (HUC6) non-specific | 1981 |
02060000
| Upper Chesapeake | established |
242619
| DE | Kent | Haven Pond (=Haven Lake) | 2007 |
02040207
| Broadkill-Smyrna | unknown |
31121
| DE | Kent | Lake Como | 1983 |
02040207
| Broadkill-Smyrna | established |
31122
| DE | Kent | Lake Como | 1991 |
02040207
| Broadkill-Smyrna | established |
31123
| DE | Kent | Silver Lake at Dover | 1992 |
02040207
| Broadkill-Smyrna | established |
242621
| DE | Kent | Silver Lake, Milford, DE | 2007 |
02040207
| Broadkill-Smyrna | unknown |
1677755
| DE | New Castle | [No locality description provided] | 2017 |
02040205
| Brandywine-Christina | |
242618
| DE | New Castle | Becks Pond | 1995 |
02040205
| Brandywine-Christina | established |
242615
| DE | New Castle | Chesapeake and Delaware Canal | 1992 |
02040205
| Brandywine-Christina | established |
268694
| DE | New Castle | Delaware River | 1986 |
02040204
| Delaware Bay | established |
31117
| DE | New Castle | Delaware River | 1991 |
02040204
| Delaware Bay | established |
31124
| DE | New Castle | Lums Pond | 1991 |
02040205
| Brandywine-Christina | collected |
242616
| DE | New Castle | Noxontown Lake, downstream from Wiggins Mill | 1984 |
02040205
| Brandywine-Christina | established |
242620
| DE | Sussex | Abbotts Pond | 2007 |
02040207
| Broadkill-Smyrna | unknown |
31119
| DE | Sussex | Millsboro Pond near Millsboro | 1981 |
02040303
| Chincoteague | established |
31120
| DE | Sussex | Millsboro Pond near Millsboro | 1991 |
02040303
| Chincoteague | established |
31118
| DE | Sussex | Nanticoke River [Location approximate, hand plotted] | 1991 |
02080109
| Nanticoke | established |
242617
| DE | Sussex | Nanticoke River [Location approximate, hand plotted] | 2007 |
02080109
| Nanticoke | established |