| Nasturtium palustre var. tanacetifolium DC., 1821 |
| Nasturtium plebejum Pol., 1877 |
| Nasturtium sinuatum Nutt., 1838 |
| Nasturtium tanacetifolium (DC.) Hook. & Arn., 1834 |
| Nasturtium terrestre (With.) W.T. Aiton, 1812 |
| Nasturtium terrestre var. occidentale S. Watson, 1895 |
| Nasturtium walteri (Elliott) Alph. Wood, 1861 |
| Nasturtium williamsii (Britton) Standl., 1931 |
| Neobeckia Greene, 1896 |
| Neolepia W.A. Weber, 1989 |
| Nerisyrenia Greene, 1900 |
| Nerisyrenia baconiana B.L. Turner, 1994 |
| Nerisyrenia camporum (A. Gray) Greene, 1900 |
| Nerisyrenia castillonii Rollins, 1941 |
| Nerisyrenia gracilis I.M. Johnst., 1941 |
| Nerisyrenia gypsophila J.D. Bacon, 1978 |
| Nerisyrenia incana Rollins, 1939 |
| Nerisyrenia johnstonii J.D. Bacon, 1978 |
| Nerisyrenia linearifolia (S. Watson) Greene, 1900 |
| Nerisyrenia linearifolia var. linearifolia (S. Watson) Greene, 1900 |