Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
35083
| MD | | Ft. Pendleton, North Fork of Patuxent River | 1874 |
02070002
| North Branch Potomac | failed |
35075
| MD | Allegany | Above Tameny, Evitts Creek, Trib. of Potomac | 1874 |
02070002
| North Branch Potomac | failed |
35076
| MD | Anne Arundel | Wills Creek near Jenning Run, trib. of Potomac | 1874 |
02070002
| North Branch Potomac | failed |
35077
| MD | Garrett | Frankville, Savage Creek, trib of Potomac | 1874 |
02070002
| North Branch Potomac | failed |