| Syncephalantha sanguinea Klatt, 1889 |
| Synchaeta Kirp., 1950 |
| Synedrella Gaertn., 1791 |
| Synedrella nodiflora (L.) Gaertn., 1791 |
| Syntrichopappus A. Gray, 1857 |
| Syntrichopappus fremontii A. Gray, 1857 |
| Tageteae Cass., 1819 |
| Tagetes L., 1753 |
| Tagetes alamensis Rydb., 1915 |
| Tagetes anethina Sessé & Moc., 1890 |
| Tagetes angustifolia Kunth, 1820 |
| Tagetes anisata Lillo, 1918 |
| Tagetes arenicola Panero & Villaseñor, 1996 |
| Tagetes aristata Klatt, 1899 |
| Tagetes belenidium (DC.) Kuntze, 1898 |
| Tagetes bonariensis Pers., 1807 |
| Tagetes cabrerae M. Ferraro, 1955 |
| Tagetes cancellatus (Cass.) M. Gómez, 1890 |
| Tagetes clandestina Lag., 1816 |
| Tagetes congesta Hook. & Arn., 1838 |