Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1736047
| MD | Montgomery | [No locality description provided] | 2021 |
02070008
| Middle Potomac-Catoctin | |
235973
| MD | Montgomery | Clopper Lake, near Germantown, Great Seneca Hwy & Clopper Rd | 1999 |
02070008
| Middle Potomac-Catoctin | unknown |
155282
| MD | Montgomery | Little Seneca Lake | 1999 |
02070008
| Middle Potomac-Catoctin | unknown |
168357
| MD | Montgomery | Little Seneca Lake | 2002 |
02070008
| Middle Potomac-Catoctin | unknown |
156529
| VA | Fairfax | Black Pond, McLean near Georgetown Pike | 1999 |
02070008
| Middle Potomac-Catoctin | unknown |