Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1462685
| DE | New Castle | Brandywine swamps | 1880 |
02040205
| Brandywine-Christina | unknown |
1654596
| DE | New Castle | New Castle County, DE, USA | 2018 |
02040205
| Brandywine-Christina | established |
1654601
| DE | New Castle | New Castle County, US-DE, US | 2019 |
02040205
| Brandywine-Christina | established |
1462409
| PA | Chester | Gordon Natural Area | 2017 |
02040205
| Brandywine-Christina | established |
1654502
| PA | Chester | West Bradford Township, PA, USA | 2020 |
02040205
| Brandywine-Christina | established |