| latinský název | český název |
|---|---|
| Macfadyena | |
| Macradenia | makradenie |
| Macranthera | |
| Macroptilium | |
| Macrozamia | |
| Maianthemum | pstroček |
| Malva | sléz |
| Mammillaria | mamilárie |
| Mandevilla | mandevila |
| Mangifera | mangovník |
| Manihot | maniok |
| Manilkara | manilkara |
| Maranta | maranta |
| Marcgravia | markgravie |
| Marina | |
| Marrubium | jablečník |
| Marsilea | marsilka |
| Masdevallia | |
| Matthiola | fiala |
| Maxillaria | |
| Maytenus | majten |
| Meconopsis | mákovec |
| Medicago | tolice |
| Medinilla | medinila |
| Melaleuca | kajeput |
| Melampodium | černonoh |
| Melianthus | medokvět |
| Melica | strdivka |
| Melicytus | mnohočerák |
| Melocactus | |
| Mentzelia | mentzelie |
| Mercurialis | bažanka |
| Mertensia | mertensie |
| Mesembryanthemum | kosmatec |
| Metrosideros | železnec |
| Miconia | širál |
| Microchilus | |
| Microsorum | |
| Mikania | mikanie |
| Miltonia | miltonie |
| Miltoniopsis | |
| Mimosa | citlivka |
| Mimulus | kejklířka |
| Minuartia | kuřička |
| Mirabilis | nocenka |
| Moehringia | mateřka |
| Molineria | |
| Moluccella | molučenka |
| Momordica | momordika |
| Monarda | zavinutka |