| potamogeton bicupulatus | | USA: Connecticut | | 145688002 |
| potamogeton bicupulatus | | USA: Connecticut, Clear Lake | | 145688003 |
| potamogeton bicupulatus | | USA: Connecticut | | 145688052 |
| potamogeton bicupulatus | | USA: Connecticut, Clear Lake | | 145688053 |
| potamogeton bicupulatus | | USA: Connecticut | | 145751851 |
| potamogeton bicupulatus | | USA: Connecticut, Clear Lake | | 145751862 |