Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1673343
| MA | Middlesex | [No locality description provided] | 2019 |
01070004
| Nashua River | |
240732
| MA | Middlesex | Pepperell Pond, impoundment along Nashua River | 2000 |
01070004
| Nashua River | established |
862512
| MA | Middlesex | Pepperell Pond, impoundment along Nashua River | 2013 |
01070004
| Nashua River | established |
1729516
| MA | Worcester | [No locality description provided] | 2023 |
01070004
| Nashua River | |
1410161
| MA | Worcester | Bare Hill Pond | 2002 |
01070004
| Nashua River | established |
235733
| MA | Worcester | Bare Hill Pond, near the town of Harvard | 1999 |
01070004
| Nashua River | established |
268151
| MA | Worcester | Bare Hill Pond, near the town of Harvard | 2006 |
01070004
| Nashua River | established |
877641
| MA | Worcester | Nashua River stretch through Oxbow National Wildlife Refuge near Devens | 2015 |
01070004
| Nashua River | established |