| Alisma tenellum C. Mart., 1830 |
| Alisma tenellum f. latifolia Seub., 1848 |
| Alisma virgata Hook. & Arn., 1839 |
| Alismataceae Vent., 1799 |
| Aquarius Christenh. & Byng, 2018 |
| Aquarius cordifolius (L.) Christenh. & Byng, 2028 |
| Aquarius floribundus (Seub.) Christenh. & Byng, 2028 |
| Aquarius grandiflorus (Cham. & Schltdl.) Christenh. & Byng, 2018 |
| Aquarius macrophyllus (Kunth) Christenh. & Byng, 2018 |
| Aquarius palifolius (Nees & Mart.) Christenh. & Byng, 2028 |
| Aquarius paniculatus Micheli & Christenh. & Byng, 2018 |
| Aquarius subalatus (Mart. ex Schult. f.) Christenh. & Byng, 2028 |
| Damasonium Adans., 1763 |
| Damasonium flavum (L.) Mill., 1768 |
| Echinodorus Rich., 1815 |
| Echinodorus andrieuxii (Hook. & Arn.) Small, 1909 |
| Echinodorus andrieuxii var. longistylus (Buchenau) Rataj, 1971 |
| Echinodorus berteroi (Spreng.) Fassett, 1955 |
| Echinodorus bolivianus (Rusby) Holm-Niels., 1979 |
| Echinodorus cordifolius (L.) Griseb., 1857 |