| Crusea simplex (Willd. ex Roem. & Schult.) J.H. Kirkbr. & Wiersema, 2020 |
| Crusea subulata (DC.) A. Gray, 1883 |
| Crusea subulata var. leiocarpa Greenm., 1904 |
| Crusea tricocca (Torr. & Gray) C. Heller, 1895 |
| Crusea villosa S. Watson, 1890 |
| Crusea violacea Brongn. ex Neumann, 1846 |
| Crusea wrightii A. Gray, 1853 |
| Crusea wrightii var. angustifolia W.R. Anderson, 1972 |
| Crusea wrightii var. wrightii A. Gray, 1853 |
| Csapodya Borhidi, 2004 |
| Csapodya challengeri Borhidi & Reyes-García, 2007 |
| Csapodya sousae Borhidi & Reyes-García, 2007 |
| Csapodya splendens (Breedlove & Lorence) Borhidi, 2004 |
| Declieuxia Kunth, 1818 |
| Declieuxia fruticosa (Willd. ex Roem. & Schult.) Kuntze, 1891 |
| Declieuxia galeottii M. Martens, 1844 |
| Declieuxia mexicana DC., 1830 |
| Dentella J.R. Forst. & G. Forst., 1775 |
| Dentella repens (L.) J.R. Forst. & G. Forst., 1776 |
| Deppea Cham. & Schltdl., 1830 |