| Hydrocharitaceae | |
Elodea canadensis var. angustifolia
| (Muhl.) Farw. | Amer. Midl. Naturalist 10: 203 | 1927 |
| Hydrocharitaceae | |
Elodea canadensis var. gigantea
| L.H. Bailey | Stand. Cycl. Hort. 2: 111 | 1914 |
| Hydrocharitaceae | |
Elodea canadensis var. latifolia
| (Casp.) Asch. & Graebn. | Syn. Mitteleur. Fl. 1: 403 | 1897 |
| Hydrocharitaceae | |
Elodea canadensis var. planchonii
| Farw. | Amer. Midl. Naturalist 10: 203 | 1927 |