Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1679496
| MA | Essex | [No locality description provided] | 2020 |
01070006
| Merrimack River | |
1671487
| MA | Middlesex | [No locality description provided] | 2018 |
01070006
| Merrimack River | |
294630
| MA | Middlesex | Knops Pond/Lost Lake neat Groton | 1932 |
01070006
| Merrimack River | established |
294664
| MA | Middlesex | Long Sought for Pond, near Westford, near Dunstable Rd, Rt 40 | 1998 |
01070006
| Merrimack River | established |
294734
| MA | Middlesex | Shawsheen River between Tewksbury and Wilmington | 1998 |
01070006
| Merrimack River | established |