| 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 |
| Milla peninsularis J. Gut., 2023 |
| Milla potosina T.M. Howard, 1999 |
| Milla rosea H.E. Moore, 1953 |
| Milla serotina Greene, 1893 |
| Milla solanoi J. Gut., 2023 |
| Milla subbiflora (Colla) Baker, 1871 |
| Milla tenuis Congdon, 1901 |
| Milla valliflora J. Gut. & E. Solano, 2014 |
| Milla zacatecoensis J. Gut., 2023 |