| 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 palaefolia Nees & Mart., 1823 |
| Sagittaria palaefolia 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., 1837 |
| Sagittaria recurva Engelm. ex Patt., 1887 |
| Sagittaria sagittifolia L., 1753 |
| Sagittaria sagittifolia f. angustifolia (Engelm.) Britton, 1890 |
| Sagittaria sagittifolia f. hastata (Pursh) Britton, 1890 |
| Sagittaria sagittifolia f. latifolia (Willd.) Britton, 1890 |
| Sagittaria sagittifolia f. obtusa (Muhl. ex Willd.) Britton, 1890 |
| Sagittaria sagittifolia var. hastata (Pursh) Torr., 1826 |
| Sagittaria sagittifolia var. latifolia (Willd.) Muhl., 1813 |