| Lachnostoma Kunth, 1819 |
| Lachnostoma parviflorum Torr., 1859 |
| Laseguea A. DC., 1844 |
| Laseguea foliosa (Müll. Arg.) Miers, 1878 |
| Laseguea villosa Miers, 1878 |
| Laubertia A. DC., 1844 |
| Laubertia contorta (M. Martens & Galeotti) Woodson, 1938 |
| Laubertia pringlei (Greenm.) Woodson, 1931 |
| Lochnera Rchb. ex Endl., 1838 |
| Lochnera rosea (L.) Rchb. ex K. Schum., 1895 |
| Macaglia Rich. ex Vahl, 1810 |
| Macaglia megalocarpa Kuntze, 1891 |
| Macroscepis Kunth, 1819 |
| Macroscepis diademata (Ker Gawl.) W.D. Stevens, 1983 |
| Macroscepis obovata Kunth, 1819 |
| Macroscepis pleistantha Donn. Sm., 1895 |
| Macroscepis rotata Decne., 1844 |
| Macroscepis sinalobolana L.O. Alvarado, Pío-León & M.G. Chávez, 2022 |
| Macroscepis stevensii Morillo, 2012 |
| Macroscepis yucatanensis Morillo, 2012 |