| Mitracarpus schizangius DC., 1830 |
| Mitracarpus trichanthus Borhidi & Lozada-Pérez, 2007 |
| Mitracarpus villosus (Sw.) Cham. & Schltdl., 1828 |
| Morinda L., 1753 |
| Morinda asperula Standl., 1940 |
| Morinda citrifolia L., 1753 |
| Morinda guatemalensis (Donn. Sm.) Steyerm., 1972 |
| Morinda mesochora Standl., 1929 |
| Morinda panamensis Seem., 1854 |
| Morinda royoc L., 1753 |
| Morinda yucatanensis Greenm., 1907 |
| Morindeae Kostel., 1833 |
| Mussaenda L., 1753 |
| Mussaenda erythrophylla Schumach. & Thonn., 1827 |
| Mussaenda rotundifolia Sessé & Moc., 1894 |
| Mussaenda spinosa Jacq., 1763 |
| Mussaenda tetracantha Cav., 1799 |
| Mussaendeae Hook. f., 1873 |
| Myrstiphyllum P. Browne, 1756 |
| Myrstiphyllum horizontalis (Sw.) Millsp., 1900 |