| Melothria scabra Naudin, 1866 |
| Melothria sphaerocarpa (Cogn.) H. Schaef. & S.S. Renner, 2011 |
| Melothria tomentosa Cogn., 1881 |
| Melothria trilobata Cogn., 1878 |
| Micrampelis Raf., 1808 |
| Micrampelis coulteri (A. Gray) Kuntze, 1891 |
| Micrampelis floribunda (Cogn.) Kuntze, 1891 |
| Micrampelis guadalupensis (S. Watson) Greene, 1890 |
| Micrampelis lanata Kuntze, 1891 |
| Micrampelis leptocarpa Greene, 1892 |
| Micrampelis macrocarpa (Greene) Greene, 1890 |
| Microsechium Naudin, 1866 |
| Microsechium compositum Donn. Sm., 1903 |
| Microsechium gonzalo-palomae Lira, 1994 |
| Microsechium guatemalense Hemsl., 1878 |
| Microsechium helleri (Peyr.) Cogn., 1881 |
| Microsechium hintonii Paul G. Wilson, 1958 |
| Microsechium palmatum (Ser.) Cogn., 1881 |
| Microsechium ruderale Naudin, 1866 |
| Momordica L., 1753 |