Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
232496
| DE | New Castle | Brandywine Creek | 1866 |
02040205
| Brandywine-Christina | established |
228681
| DE | New Castle | Centerville, pond owned by Spencer | 1990 |
02040205
| Brandywine-Christina | established |
228682
| DE | New Castle | Middletown | 1985 |
02040205
| Brandywine-Christina | established |
232495
| DE | New Castle | New Castle | 1866 |
02040205
| Brandywine-Christina | established |
1654588
| DE | New Castle | New Castle County, US-DE, US | 2016 |
02040205
| Brandywine-Christina | established |
228683
| DE | New Castle | New Castle, pond owned by Guess | 1977 |
02040205
| Brandywine-Christina | established |
232494
| DE | New Castle | Wilmington | 1860 |
02040205
| Brandywine-Christina | established |
1241565
| DE | New Castle | Wilmington ditches | 1873 |
02040205
| Brandywine-Christina | established |
1658171
| PA | Chester | 3 mi S of Downingtown, below bridge PA [322] | 1952 |
02040205
| Brandywine-Christina | unknown |
1658170
| PA | Chester | floating in creek, just northeast of Cupola | 1959 |
02040205
| Brandywine-Christina | unknown |
1658167
| PA | Chester | Struble Lake | 2021 |
02040205
| Brandywine-Christina | established |