| Rorippa indica (L.) Hiern, 1896 |
| Rorippa indica var. indica (L.) Hiern, 1896 |
| Rorippa intermedia (Kuntze) Stuckey, 1972 |
| Rorippa islandica (Oeder) Borbás, 1900 |
| Rorippa islandica subsp. fernaldiana (Butters & Abbe) Hultén, 1967 |
| Rorippa islandica var. fernaldiana Butters & Abbe, 1940 |
| Rorippa islandica var. microcarpa (Regel) Fernald, 1940 |
| Rorippa islandica var. occidentalis (S. Watson) Butters & Abbe, 1940 |
| Rorippa mexicana (DC.) Standl. & Steyerm., 1944 |
| Rorippa microtitis (B.L. Rob.) Rollins, 1957 |
| Rorippa nasturtium Beck, 1893 |
| Rorippa nasturtium-aquaticum (L.) Hayek, 1904 |
| Rorippa obtusa (Nutt.) Britton, 1894 |
| Rorippa pacifica Howell, 1897 |
| Rorippa palustris (L.) Besser, 1822 |
| Rorippa palustris subsp. fernaldiana (Butters & Abbe) Jonsell, 1968 |
| Rorippa palustris subsp. glabra (O.E. Schulz) Stuckey, 1972 |
| Rorippa palustris subsp. occidentalis (S. Watson ex A. Gray ) Abrams, 1944 |
| Rorippa palustris var. fernaldiana (Butters & Abbe) Stuckey, 1972 |
| Rorippa palustris var. occidentalis (S. Watson) Rollins, 1993 |