| Minimelanolocus rousselianus (Mont.) R. F. Castañeda & Heredia, 2001 |
| Minimelanolocus subulifer (Corda) R. F. Castañeda & Heredia, 2001 |
| Minteriella Heredia, R.F. Castañeda & R.M. Arias, 2013 |
| Minteriella cenotigena Heredia, R.F. Castañeda & R.M. Arias, 2013 |
| Mirandina G. Arnaud ex Matsush., 1975 |
| Mirandina corticola G. Arnaud ex Matsush., 1975 |
| Mirandina flagelliformis Matsush., 1987 |
| Mirandina fragilis R.F. Castañeda & W.B. Kendr., 1991 |
| Mitrula Fr., 1821 |
| Mitrula globosa Sommerf., 1826 |
| Monodictys S. Hughes, 1958 |
| Monodictys abuensis (Chouhan & Panwar) V. Rao & de Hoog, 1986 |
| Monodictys capensis R. C. Sinclair, Boshoff & Eicker, 1996 |
| Monodictys castaneae (Wallr.) S. Hughes, 1958 |
| Monodictys cerebriformis G.Z. Zhao & T.Y. Zhang, 2004 |
| Monodictys fluctuata (Tandon & Bilgrami) M. B. Ellis, 1971 |
| Monodictys lepraria (Berk.) M. B. Ellis, 1976 |
| Monodictys levis (Wiltshire) S. Hughes, 1958 |
| Monodictys melanopa (Ach.) M. B. Ellis, 1976 |
| Monodictys nigra Matsush., 1975 |