| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1892639
| MA | Hampshire | [No locality description provided; coordinates obscured by collector] | 2025 |
01080201
| Ashuelot River-Connecticut River | |
|
876586
| MA | Hampshire | Lithia Springs Reservoir at sampling station F3G | 1992 |
01080201
| Ashuelot River-Connecticut River | established |
|
876622
| MA | Hampshire | Lithia Springs Reservoir at sampling station F4G | 1992 |
01080201
| Ashuelot River-Connecticut River | established |