Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
35137
| MD | | Monongahela (HUC6) non-specific | 1994 |
05020000
| Monongahela | established |
268183
| MD | | Ohio drainage of Appalachian Plateau (Youghiogheny drainage) | 1981 |
05020006
| Youghiogheny | established |
1522902
| MD | Wicomico | Pocomoke River at Route 50, near Willards | 1977 |
02080111
| Pokomoke-Western Lower Delmarva | unknown |