| latinský název | český název |
|---|---|
| Maackia | mákie |
| Macfadyena | |
| Macleaya | makleja |
| Maclura | maklura |
| Macradenia | makradenie |
| Macranthera | |
| Macroptilium | |
| Macrozamia | |
| Madia | mádie |
| Magnolia | šácholan |
| Mahonia | mahónie |
| Maianthemum | pstroček |
| Malus | jabloň |
| Malva | sléz |
|
| |
| Mammillaria | mamilárie |
| Mandevilla | mandevila |
| Mangifera | mangovník |
| Manihot | maniok |
| Manilkara | manilkara |
| Maranta | maranta |
| Marcgravia | markgravie |
| Marina | |
| Marrubium | jablečník |
| Marsilea | marsilka |
| Masdevallia | |
| Matricaria | heřmánek |
| Matthiola | fiala |
| Maurandella | |
|
| |
| Maxillaria | |
| Maytenus | majten |
| Meconopsis | mákovec |
| Medicago | tolice |
| Medinilla | medinila |
| Melaleuca | kajeput |
| Melampodium | černonoh |
| Melianthus | medokvět |
| Melica | strdivka |
| Melicytus | mnohočerák |
| Melilotus | komonice |
| Melissa | meduňka |
| Melocactus | |
| Melothria | melotrie |
|
| |
| Menispermum | lunoplod |
| Mentha | máta |
| Mentzelia | mentzelie |
| Menyanthes | vachta |
| Mercurialis | bažanka |
| Mertensia | mertensie |
| Mesembryanthemum | kosmatec |
| Mespilus | mišpule |
| Metasequoia | metasekvoje |
| Metrosideros | železnec |