| Trivettea papalotla (Bertsch, Valdés & Gosliner, 2009) |
| Uberispora Piroz. & Hodges, 1973 |
| Uberispora simplex (Ichinoe) Piroz. & Hodges, 1973 |
| Uraecium Arthur, 1933 |
| Uraecium extensum (Arthur) Cummins, 1956 |
| Uredo Pers., 1801 |
| Uredo clavo J. F. Hennen & J. W. McCain, 1994 |
| Uredo crusa J. F. Hennen & J. W. McCain, 1994 |
| Uredo erythrinae Henn., 1908 |
| Uredo lippiae Dietel & Holw., 1901 |
| Uredo nidularii Henn., 1898 |
| Uredo scabies Cooke, 1886 |
| Uredo velata Ellis & Everh., 1895 |
| Valsaria Ces. & De Not., 1863 |
| Valsaria rubricosa (Fr.) Sacc., 1882 |
| Vanakripa Bhat, W. B. Kendr. & Nag Raj, 1993 |
| Vanakripa rhizophorae R. M. Arias, Heredia & R. F. Castañeda, 2009 |
| Veracruzomyces Mercado, Guarro, Heredia & J. Mena, 2002 |
| Veracruzomyces obclavatus Mercado, Guarro, Heredia & J. Mena, 2002 |
| Veronaea Cif. & Montemart., 1957 |