Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
155574
| MA | Barnstable | Vineyard Sound, Woods Hole Harbor | 1998 |
32004100
| Virginian | established |
155577
| MA | Bristol | Buzzards Bay/ RI Sound, Horseneck Beach Harbor | 1998 |
32004100
| Virginian | established |
155575
| MA | Dukes | Vineyard Sound, Martha's Vineyard Harbor | 1998 |
32004100
| Virginian | established |
155572
| MA | Plymouth | Cape Cod Bay, Manomet Point | 1998 |
32504000
| Gulf of Maine/Bay of Fundy | established |
155571
| MA | Plymouth | Cape Cod Bay, Plymouth Harbor | 1998 |
32504000
| Gulf of Maine/Bay of Fundy | established |