| heterosiphonia japonica | | USA: Rhode Island, Quonochontaug Central Beach, Charlestown | | 301016340 |
| heterosiphonia japonica | | USA: Rhode Island, Misquamicut St. Beach, Misquamicut | | 301016338 |
| heterosiphonia japonica | | USA: Rhode Island, Fort Wetherill | | 441480220 |
| heterosiphonia japonica | | USA: Rhode Island, Fort Wetherill | | 436580282 |