Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
294683
| MA | Middlesex | Nissitissit River near North Pepperell | 1998 |
01070004
| Nashua River | established |
294745
| MA | Middlesex | Squannacook River near Vose | 1998 |
01070004
| Nashua River | established |
614212
| MA | Middlesex | Squannacook River, above Mass. rte 119, West Townsend. | 1961 |
01070004
| Nashua River | established |
1673199
| MA | Worcester | [No locality description provided] | 2020 |
01070004
| Nashua River | |
614216
| MA | Worcester | Gates Brook, West Boylston, Nashua River Drainage. (Wachusett) | 1988 |
01070004
| Nashua River | established |
294716
| MA | Worcester | Quinapoxet River between Quinapoxet and Lovellville | 1998 |
01070004
| Nashua River | established |
294748
| MA | Worcester | Stillwater River near West Sterling | 1998 |
01070004
| Nashua River | established |
294761
| MA | Worcester | Wachusett Reservoir | 1998 |
01070004
| Nashua River | established |
614214
| MA | Worcester | Wekepeke Brook, Sterling. Nashua System. | 1983 |
01070004
| Nashua River | established |