Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
157936
| MD | Washington | Chesapeake and Ohio Canal National Historical Park | 1999 |
02070004
| Conococheague-Opequon | established |
611973
| MD | Washington | Hagerstown, Md | 1998 |
02070004
| Conococheague-Opequon | established |
611979
| MD | Washington | Licking Creek | 1998 |
02070004
| Conococheague-Opequon | established |
42436
| PA | | Conococheague-Opequon drainage of the Potomac | 1983 |
02070004
| Conococheague-Opequon | established |
42047
| PA | | Potomac drainage | 1983 |
02070004
| Conococheague-Opequon | established |
166221
| VA | | Conococheague-Opequon drainage of the Potomac | 1994 |
02070004
| Conococheague-Opequon | established |
612065
| VA | Frederick | Brush Creek | 1994 |
02070004
| Conococheague-Opequon | established |
1673129
| WV | Morgan | [No locality description provided] | 2019 |
02070004
| Conococheague-Opequon | |
746645
| WV | Morgan | Middle Fork Sleepy Creek. | 1994 |
02070004
| Conococheague-Opequon | established |