Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1650197
| MA | Middlesex | Charles River at Anderson Bridge, Cambridge | 2003 |
01090001
| Charles | established |
887292
| MA | Middlesex | Charles River, Boston, south side 200 m. downstream from Elliot bridge, crossing at McFarlan/Duncan/Bassett boat dock | 2008 |
01090001
| Charles | established |
156009
| MA | Middlesex | Charles River, Watertown | 2001 |
01090001
| Charles | established |
850313
| MA | Middlesex | Spy Pond | 2015 |
01090001
| Charles | established |
1652541
| MA | Middlesex | Upper Mystic Lake, Medford, just off boat ramp at dam between Upper and Lower Mystic Lakes. | 2020 |
01090001
| Charles | unknown |
1418429
| MA | Norfolk | Massapoag Lake | 2013 |
01090001
| Charles | established |
887072
| MA | Suffolk | Charles River, Boston, sand bar on south side, 600 m downstream from Western Avenue bridge crossing | 2008 |
01090001
| Charles | established |
887119
| MA | Suffolk | Charles River, Boston, side shore pier and elevated walkway at Christian Harter Park, along Soldiers Field Road, 500 m upstream from Elliot bridge crossing | 2008 |
01090001
| Charles | established |