| Naegelia Regel, 1847 |
| Naegelia cinnabarina Linden, 1857 |
| Naegelia zebrina Regel, 1891 |
| Napeantheae Wiehler, 1983 |
| Napeanthus Gardner, 1843 |
| Napeanthus bracteatus C.V. Morton, 1944 |
| Napeanthus repens Donn. Sm., 1901 |
| Nautilocalyx Linden ex Hanst., 1854 |
| Nautilocalyx panamensis (Seem.) Seem., 1854 |
| Nematanthus Schrad., 1821 |
| Neomortonia Wiehler, 1975 |
| Neomortonia nummularia (Hanst.) Wiehler, 1978 |
| Niphaea Lindl., 1841 |
| Niphaea mexicana C.V. Morton, 1936 |
| Niphaea oblonga Lindl., 1841 |
| Niphaea pumila J.K. Boggan & L.E. Skog, 2008 |
| Niphaea saxicola (Brandegee) D.N. Gibson, 1972 |
| Oerstedina Wiehler, 1977 |
| Oerstedina mexicana Wiehler, 1977 |
| Paradrymonia Hanst., 1854 |