Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
154513
| RI | Washington | Atlantic Ocean, Block Island | 1996 |
01090006
| Point Judith-Block Island | established |
155172
| RI | Washington | Great Salt Pond on Block Island | 2002 |
01090006
| Point Judith-Block Island | established |
1702044
| RI | Washington | Point Judith Marina, Wakefield, Rhode Island | 2019 |
01090006
| Point Judith-Block Island | |
4161
| RI | Washington | Rhode Island Sound at Pt. Judith, RI (just east of Matunuck) | 1996 |
01090006
| Point Judith-Block Island | established |
4162
| RI | Washington | Rhode Island Sound at Pt. Judith, RI (just east of Matunuck) | 1996 |
01090006
| Point Judith-Block Island | established |
4163
| RI | Washington | Rhode Island Sound at Pt. Judith, RI (just east of Matunuck) | 1996 |
01090006
| Point Judith-Block Island | established |
4164
| RI | Washington | Rhode Island Sound at Pt. Judith, RI (just east of Matunuck) | 1996 |
01090006
| Point Judith-Block Island | established |
154510
| RI | Washington | Watch Hill area, Block Island Sound | 1996 |
01090006
| Point Judith-Block Island | established |
155488
| RI | Washington | Weekapaug Point, Block Island Sound | 1997 |
01090006
| Point Judith-Block Island | established |