| Matelea tezcatlipocantha E.B.Cortez, Lozada-Pérez & L.O. Alvarado, 2018 |
| Matelea tigrinus Woodson, 1941 |
| Matelea tlilxochitli E. Cortez, Lozada-Pérez & L.O. Alvarado, 2018 |
| Matelea trachyantha (Greenm.) W.D. Stevens, 1983 |
| Matelea tristiflora (Standl. Woodson, 1941 |
| Matelea tuberosa (B.L. Rob.) Woodson, 1941 |
| Matelea tuerckheimii (Donn. Sm.) Woodson, 1941 |
| Matelea umbellata (Brandegee) Woodson, 1941 |
| Matelea vailiana Woodson, 1941 |
| Matelea velutina (Schltdl.) Woodson, 1941 |
| Matelea velutinoides W.D. Stevens, 2005 |
| Matelea wootonii (Vail) Woodson, 1941 |
| Matelea yucatanensis (Standl.) Woodson, 1941 |
| Melinia Decne., 1844 |
| Melinia mexicana Brandegee, 1905 |
| Mesechiteae Miers, 1878 |
| Mesechites Müll. Arg., 1860 |
| Mesechites hirtellulus Miers, 1878 |
| Mesechites roseus (A. DC.) Miers, 1878 |
| Mesechites trifidus (Jacq.) Müll. Arg., 1860 |