| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1678066
| MA | Middlesex | [No locality description provided] | 2018 |
01070006
| Merrimack River | |
|
294629
| MA | Middlesex | Knops Pond/Lost Lake neat Groton | 1998 |
01070006
| Merrimack River | established |
|
294663
| MA | Middlesex | Long Sought for Pond, near Westford, near Dunstable Rd, Rt 40 | 1998 |
01070006
| Merrimack River | established |
|
294733
| MA | Middlesex | Shawsheen River between Tewksbury and Wilmington | 1998 |
01070006
| Merrimack River | established |