Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1745990
| MA | Essex | [No locality description provided] | 2020 |
01070006
| Merrimack River | |
1418661
| MA | Essex | Crystal Lake in Essex County Massachusetts at 113 Crystal Lake Road private residence | 2017 |
01070006
| Merrimack River | established |
1746069
| MA | Middlesex | [No locality description provided] | 2021 |
01070006
| Merrimack River | |
1731210
| MA | Middlesex | Lexington, NE of intersection of Grovstr and Rte. 128, Pond | 1957 |
01070006
| Merrimack River | |