Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
31044
| DC | | Middle Potomac-Anacostia-Occoquan drainage | 1892 |
02070010
| Middle Potomac-Anacostia-Occoquan | failed |
31042
| DC | | Zoological Park, District of Columbia | 1892 |
02070010
| Middle Potomac-Anacostia-Occoquan | failed |
31043
| DC | District of Columbia | Potomac River | 1892 |
02070008
| Middle Potomac-Catoctin | failed |
31202
| DE | | state non-specific | 1892 |
02000000
| Mid Atlantic Region | failed |
31200
| DE | | state non-specific | 1892 |
02000000
| Mid Atlantic Region | failed |
31201
| DE | New Castle | Appoquinick River at Middleton | 1892 |
02040205
| Brandywine-Christina | failed |
45415
| VA | Appomattox | lower [South Fork] Appomattox River | 1892 |
02080207
| Appomattox | failed |