| Sagittaria latifolia var. obtusa (Muhl. ex Willd.) Wiegand, 1925 |
| Sagittaria longiloba Engelm. ex J.G. Sm., 1894 |
| Sagittaria macrophylla Zucc., 1832 |
| Sagittaria mexicana Griseb. ex Kunth, 1841 |
| Sagittaria mohrii J.G. Sm. ex C. Mohr, 1897 |
| Sagittaria montevidensis Cham. & Schltdl., 1827 |
| Sagittaria montevidensis subsp. calycina (Engelm.) Bogin, 1955 |
| Sagittaria obtusa Benth., 1805 |
| Sagittaria ornithorhyncha Small, 1933 |
| Sagittaria ovata Redouté, 1813 |
| Sagittaria palifolia Nees & Mart., 1823 |
| Sagittaria palifolia f. paniculata (Micheli) Kuntze, 1898 |
| Sagittaria planipes Fernald, 1947 |
| Sagittaria plantaginifolia M. Martens & Galeotti, 1842 |
| Sagittaria platyphylla (Engelm.) J.G. Sm., 1895 |
| Sagittaria pugioniformis L., 1775 |
| Sagittaria radicans Nutt., 1835 |
| Sagittaria recurva Engelm. ex Patt., 1887 |
| Sagittaria sagittifolia L., 1753 |
| Sagittaria sagittifolia f. angustifolia (Engelm.) Britton, 1890 |