| Alisma macrophyllum | Alstroemeria zoellneri | Genus Alternanthera | Genus Althaea | Genus Alvaradoa | Genus Alysicarpus | Genus Alyssoides | Genus Alyssum | Genus Alyxia |

| Acanthaspidia bifurcata | Caulanthus crassicaulis var. major | Cheumatopsyche geolca | Exorista spinipennis | Lepechinia calycina | Macronema paliferum | Megapterium oklahomense | Melicertus | Neoceratodus forsteri |

| Mottingen | Mottola | Motueka | Motul de Felipe Carrillo Puerto | Motupe | Motygino | Motzing | Motzingen | Motzorongo | Mouanko |

| Mouats School (historical) | Moulds Lodge | Moulton Hill | Moultonborough | Moultrie Middle School | Mound | Mound Bayou | Mound Cemetery |