| Moenchia Wender. ex Steud., 1841 |
| Moenchia speciosa Wender. ex Steud., 1841 |
| Molinia Schrank, 1789 |
| Molinia retusa Griseb. ex E. Fourn., 1886 |
| Molinieae Jirásek, 1966 |
| Monachne P. Beauv., 1812 |
| Monachne punctata (L.) Nash, 1903 |
| Monachne subglabra Nash, 1903 |
| Monachne unilateralis Roem. & Schult., 1817 |
| Monachne urvilleana (Kunth) Herter, 1953 |
| Monachyron Parl. ex Hook., 1849 |
| Monachyron roseum (Nees) Parl., 1850 |
| Monachyron tonsum (Nees) Parl., 1850 |
| Monandraira É. Desv., 1854 |
| Monanthochloe Engelm., 1859 |
| Monanthochloe littoralis Engelm., 1859 |
| Monanthochloinae Pilg. ex Potztal, 1969 |
| Monathera Raf., 1819 |
| Monerma P. Beauv., 1812 |
| Monerma cylindrica (Willd.) Coss. & Durieu, 1855 |