| Potamogeton amplifolius f. homophyllus Hagstr., 1916 |
| Potamogeton amplifolius var. ovalifolius Morong, 1904 |
| Potamogeton angustissimus Kunth, 1815 |
| Potamogeton bifolius Lapeyr., 1818 |
| Potamogeton californicus (Morong) Piper, 1906 |
| Potamogeton capillaceus Poir., 1816 |
| Potamogeton capillaceus var. atripes Fernald, 1937 |
| Potamogeton columbianus Suksd., 1901 |
| Potamogeton conjugens Hagstr., 1916 |
| Potamogeton crispus L., 1753 |
| Potamogeton diversifolius Raf., 1808 |
| Potamogeton diversifolius var. multidenticulatus Morong, 1893 |
| Potamogeton filiformis Pers., 1805 |
| Potamogeton filiformis var. latifolius (J.W. Robbins) Reveal, 1977 |
| Potamogeton fluitans Roth, 1788 |
| Potamogeton fluitans var. novaeboracensis (Morong) Asch. & Graebn., 1907 |
| Potamogeton foliorum Raf., 1811 |
| Potamogeton foliosus Raf., 1808 |
| Potamogeton foliosus f. niagarensis (Tuck.) Hagstr., 1916 |
| Potamogeton foliosus var. californicus (Morong) Morong, 1895 |