| Nom complet | Nom | Commentaire | Pays | Spécimens |
|---|---|---|---|---|
| Thomas Douglas Maitland | Maitland | Angleterre | 7 | |
| Mpampu Majamba | Majamba | 2 | ||
| L. Makany | Makany | Congo | 1 | |
| Jean Makon | Makon | Cameroun | 1 | |
| J. Maley | Maley | 1 | ||
| Malos | Malos | 3 | ||
| P. Malzy | Malzy | 624 | ||
| Peter Mambo | Mambo P. | 1986 | Cameroun | 342 |
| Manga Bell | Manga | Cameroun | 8 | |
| Gustav Mann | Mann G. | 1836 - 1916 | Allemagne | 30 |
| Stephen D. Manning | Manning S.D. | Etats-Unis | 1467 | |
| L. Marquès | Marquès L. | Portugal | 1 | |
| Marteau | Marteau | 1 | ||
| Martineau | Martineau | France | 5 | |
| Wakil Massao | Massao | 1 | ||
| Annette Matzner | Matzner A. | 6 | ||
| E. Maudoux | Maudoux | Belgique | 1 | |
| Mayouo | Mayouo | 38 | ||
| M. Mazade | Mazade M. | 2 | ||
| Ekitike Mbamba | Mbamba | Cameroun | 76 |