| Casimiroa edulis La Llave & Lex., 1825 |
| Casimiroa emarginata Standl. & Steyerm., 1944 |
| Casimiroa greggii (S. Watson) F. Chiang, 1989 |
| Casimiroa microcarpa Lundell, 1968 |
| Casimiroa pringlei (S. Watson) Engl. ex Engl. & Prantl, 1896 |
| Casimiroa pubescens Ramírez, 1896 |
| Casimiroa sapota Oerst., 1857 |
| Casimiroa tetrameria Millsp., 1898 |
| Casimiroa watsonii Engl. ex P. Wilson, 1911 |
| Chalcas L., 1767 |
| Chalcas paniculata L., 1767 |
| Choisya Kunth, 1823 |
| Choisya dumosa (Torr.) A. Gray, 1888 |
| Choisya dumosa var. mollis (Standl.) L.D. Benson, 1943 |
| Choisya katherinae C.H. Mull., 1940 |
| Choisya mollis Standl., 1914 |
| Choisya neglecta C.H. Mull., 1940 |
| Choisya palmeri Standl., 1914 |
| Choisya ternata Kunth, 1823 |
| Citrus L., 1753 |