| Nom complet | Nom | Commentaire | Pays | Spécimens |
|---|---|---|---|---|
| B.A. Mackinder | Mackinder | 16 | ||
| L.J.G. van der Maesen | Maesen | 556 | ||
| S.T. Malcomber | Malcomber | 1 | ||
| J.F. Mayombo-Nzengue | Mayombo-Nzengue | 416 | ||
| R. Mboma | Mboma | 111 | ||
| R. M'Boungou | M'Boungou | 3 | ||
| G.D. McPherson | McPherson | 455 | ||
| P. Mezui M'Eyi Ndoutoume | Mezui M'Eyi Ndoutoume | 1 | ||
| MINKébé Series | Minkébé Series | 113 | ||
| J.-M. Minkoué | Minkoué | 4 | ||
| J. Morel | Morel | France | 86 | |
| J.-C. Mouandza Mbembo | Mouandza Mbembo | 580 | ||
| Augustin Moungazi | Moungazi | Gabon | 460 | |
| A. Moungazi & S. Lekanga | Moungazi A. & Lekanga S. | 248 | ||
| J.-M. Moussavou | Moussavou | 3 | ||
| G. Nang-Essouma | Nang-Essouma | 4 | ||
| F.I. van Nek | Nek | 345 | ||
| L. Ngok Banak | Ngok Banak L. | 1204 | ||
| D. Nguema Ekomo | Nguema Ekomo | 446 | ||
| N.S. Nguema Miyono | Nguema Miyono | 774 |