| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1871157
| CT | New London | Harkness Memorial State Park | 2020 |
02030203
| Long Island Sound | established |
|
1657394
| MA | Barnstable | Centerville Harbor | 2020 |
01090002
| Cape Cod | established |
|
1878182
| MA | Plymouth | Scituate, MA | 2020 |
01090002
| Cape Cod | established |
|
1649662
| MD | Dorchester | Beach of Hudson creek | 2020 |
02060005
| Choptank | unknown |
|
1871155
| ME | Cumberland | Bailey Island, Maine | 2020 |
01060001
| Presumpscot | established |
|
1658658
| ME | Washington | Gleason Point town park, Perry ME | 2020 |
01050004
| Passamaquoddy Bay-Bay of Fundy | unknown |
|
1871159
| NC | Dare | Pea Island National Wildlife Refuge, NC | 2020 |
03010205
| Albemarle | established |
|
1871156
| NH | Rockingham | Fairhill swamp, NH | 2020 |
01060003
| Piscataqua-Salmon Falls | established |
|
1871158
| NJ | Cape May | Cape May Canal, NJ | 2020 |
02040206
| Cohansey-Maurice | established |
|
1656913
| NY | Suffolk | Mt Sinai inlet jetties | 2020 |
02030201
| Northern Long Island | established |
|
1878188
| RI | Bristol | Bristol, RI | 2020 |
01090004
| Narragansett | established |