| Nemania effusa (Nitschke) Pouzar, 1985 |
| Nemania serpens (Pers.) Gray, 1821 |
| Nodulisporium Preuss, 1849 |
| Nodulisporium gregarium (Berk. & M. A. Curtis) J. A. Mey., 1959 |
| Nummularia Tul. & C. Tul., 1863 |
| Nummularia australis Cooke, 1883 |
| Penzigia Sacc., 1888 |
| Penzigia berteroi (Mont.) L.W. Mill., 1934 |
| Penzigia enteroleuca J. H. Mill., 1940 |
| Podosordaria Ellis & Holw., 1897 |
| Podosordaria entosulphurea (J.D. Rogers, F. San Martín & Y.M. Ju) J.D. Rogers, Y.M. Ju & F. San Martín, 1998 |
| Podosordaria leporina (Ellis & Everh.) Dennis, 1957 |
| Podosordaria mexicana Ellis & Holw., 1897 |
| Podosordaria muli J. D. Rogers, Y. M. Ju & F. San Martín, 1998 |
| Poroleprieuria M. C. González, Hanlin, Ulloa & Elv. Aguirre, 2004 |
| Poroleprieuria rogersii M. C. González, Hanlin, Ulloa & Elv. Aguirre, 2004 |
| Poronia Willd., 1787 |
| Poronia erici Lohmeyer & Benkert, 1988 |
| Poronia oedipus (Mont.) Mont., 1856 |
| Poronia punctata (L.) Fr., 1849 |