| Manfreda xilitlensis Matuda, 1966 |
| Marmoratae (A. Berger) Thiede & Gideon F. Sm., 2019 |
| Micracanthae Salm-Dyck, 1861 |
| Milla Cav., 1793 |
| Milla aurea (Lindl.) Baker, 1871 |
| Milla biflora Cav., 1793 |
| Milla bryani I.M. Johnst., 1943 |
| Milla capitata (Benth.) Baker, 1871 |
| Milla capitata var. pauciflora (Torr.) Baker, 1871 |
| Milla delicata H.E. Moore, 1953 |
| Milla filifolia T.M. Howard, 1999 |
| Milla geocalida J. Gut., 2023 |
| Milla guaxoapana J. Gut., 2023 |
| Milla luishernandezii J. Gut., 2023 |
| Milla macrostemon (Kunth) Baker, 1871 |
| Milla magnifica H.E. Moore, 1953 |
| Milla maritima (Torr.) S. Watson, 1871 |
| Milla mexicana T.M. Howard, 1999 |
| Milla mortoniana H.E. Moore, 1953 |
| Milla oaxacana Ravenna, 1971 |