| Taraxacum calocephaloides A.J. Richards, 1976 |
| Taraxacum campylodes G.E. Haglund, 1948 |
| Taraxacum disseminatoides A.J. Richards, 1976 |
| Taraxacum erythrospermum Andrz. ex Besser, 1822 |
| Taraxacum mexicanum DC., 1838 |
| Taraxacum officinale F.H. Wigg., 1780 |
| Tecmarsis DC., 1836 |
| Tehuana Panero & Villaseñor, 1997 |
| Tehuana calzadae Panero & Villaseñor, 1997 |
| Telanthophora H. Rob. & Brettell, 1974 |
| Telanthophora andrieuxii (DC.) H. Rob. & Brettell, 1974 |
| Telanthophora arborescens (Steetz) H. Rob. & Brettell, 1974 |
| Telanthophora chicharrensis (Greenm.) H. Rob. & Brettell, 1974 |
| Telanthophora cobanensis (J.M. Coult.) H. Rob. & Brettell, 1974 |
| Telanthophora cobanensis var. cobanensis (J.M. Coult.) H. Rob. & Brettell, 1974 |
| Telanthophora copeyensis (Greenm.) H. Rob. & Brettell, 1974 |
| Telanthophora grandifolia (Less.) H. Rob. & Brettell, 1974 |
| Telanthophora grandifolia var. grandifolia (Less.) H. Rob. & Brettell, 1974 |
| Telanthophora grandifolia var. serraquitchensis (Greenm.) B.L. Clark, 2000 |
| Telanthophora jaliscana H. Rob. & Brettell, 1974 |