.
| Genus | |
|---|---|
| Macadamia F.Muell. | |
| 
                                                
                                                
                                                 | 
                                            Macbridea Elliott ex Nutt. | 
| Machairophyllum Schwantes | |
| 
                                                
                                                
                                                 | 
                                            Mackaya Harv. | 
| 
                                                
                                                
                                                 | 
                                            Mackinlaya F.Muell. | 
| 
                                                
                                                
                                                 | 
                                            Macleaya R.Br. | 
| 
                                                
                                                
                                                 | 
                                            Maclura Nutt. | 
| 
                                                
                                                
                                                 | 
                                            Macrocarpaea (Griseb.) Gilg | 
| 
                                                
                                                
                                                 | 
                                            Macrozamia Miq. | 
| Maerua Forssk. | |
| 
                                                
                                                
                                                 | 
                                            Maesa Forssk. | 
| 
                                                
                                                
                                                 | 
                                            Magnolia Plum. ex L. | 
| 
                                                
                                                
                                                 | 
                                            Maianthemum F.H.Wigg. | 
| Maierocactus E.C.Rost | |
| 
                                                
                                                
                                                 | 
                                            Maihuenia (Phil. ex F.A.C. Weber) K. Schum. | 
| 
                                                
                                                
                                                 | 
                                            Maihueniopsis Speg. | 
| Maireana Moq. | |
| 
                                                
                                                
                                                 | 
                                            Malachra L. | 
| Malagasia L.A.S.Johnson & B.G.Briggs | |
| 
                                                
                                                
                                                 | 
                                            Malephora N.E.Br | 
| Malotigena Niederle | |
| 
                                                
                                                
                                                 | 
                                            Malva Tourn. ex L. | 
| 
                                                
                                                
                                                 | 
                                            Mammillaria Haw. | 
| 
                                                
                                                
                                                 | 
                                            Mandragora L. | 
| Manekia Trel. | |
| Mangenotiella M.Schmid | |
| 
                                                
                                                
                                                 | 
                                            Manihot Mill. | 
| Mankyua B.Y.Sun, M.H.Kim & C.H.Kim | |
| 
                                                
                                                
                                                 | 
                                            Mannia Corda | 
| 
                                                
                                                
                                                 | 
                                            Mapania Aubl. | 
| Marattia Sw. | |
| 
                                                
                                                
                                                 | 
                                            Marcgravia Lour. | 
| 
                                                
                                                
                                                 | 
                                            Marchantia L. | 
| 
                                                
                                                
                                                 | 
                                            Marlothistella Schwantes | 
| 
                                                
                                                
                                                 | 
                                            Marrubium L. | 
| 
                                                
                                                
                                                 | 
                                            Marsdenia R.Br. | 
| 
                                                
                                                
                                                 | 
                                            Marshallia Schreb. | 
| 
                                                
                                                
                                                 | 
                                            Martellidendron (Martelli) Callm. & Chassot | 
| 
                                                
                                                
                                                 | 
                                            Massonia Thunb. ex Houtt. | 
| Mastixiodendron Melch. | |
| 
                                                
                                                
                                                 | 
                                            Matelea Aubl. | 
| 
                                                
                                                
                                                 | 
                                            Mathiasella Constance & C.L.Hitchc. | 
| 
                                                
                                                
                                                 | 
                                            Matonia R.Br. ex Wall. | 
| 
                                                
                                                
                                                 | 
                                            Matthiola W.T.Aiton | 
| Mattiastrum Brand | |
| 
                                                
                                                
                                                 | 
                                            Matucana Britton & Rose | 
| 
                                                
                                                
                                                 | 
                                            Mayaca Aubl. | 
| 
                                                
                                                
                                                 | 
                                            Maytenus (Speg.) Lourteig, O'Donell & Sleumer | 
| 
                                                
                                                
                                                 | 
                                            Meconopsis Vig. | 
| 
                                                
                                                
                                                 | 
                                            Medeola Gronov. ex L. | 
| 
                                                
                                                
                                                 | 
                                            Medicago L. | 
| 
                                                
                                                
                                                 | 
                                            Medinilla Gaudich. | 
| Megacorax Elizondo et al. | |
| Megahertzia A.S.George & B.Hyland | |
| Megaleranthis Ohwi | |
| 
                                                
                                                
                                                 | 
                                            Melaleuca Mant. | 
| 
                                                
                                                
                                                 | 
                                            Melampyrum L. | 
| 
                                                
                                                
                                                 | 
                                            Melanocalyx (Fed.) Morin | 
| Melanortocarya Selvi, Bigazzi, Hilger & Papini | |
| 
                                                
                                                
                                                 | 
                                            Melastoma L. | 
| 
                                                
                                                
                                                 | 
                                            Melittis L. | 
| 
                                                
                                                
                                                 | 
                                            Melocactus (L.) Link & Otto | 
| 
                                                
                                                
                                                 | 
                                            Melpomene A.R.Sm. & R.C.Moran | 
| 
                                                
                                                
                                                 | 
                                            Memecylon L. | 
| Mendoncia Vell. ex Vand. | |
| 
                                                
                                                
                                                 | 
                                            Menodora Humb. and Bonpl. | 
| 
                                                
                                                
                                                 | 
                                            Mentzelia Plum. ex L. | 
| 
                                                
                                                
                                                 | 
                                            Menyanthes L. | 
| 
                                                
                                                
                                                 | 
                                            Meriania Sw. | 
| 
                                                
                                                
                                                 | 
                                            Merremia Dennst. ex Endl. | 
| 
                                                
                                                
                                                 | 
                                            Mertensia Roth | 
| Merwilla Speta | |
| 
                                                
                                                
                                                 | 
                                            Mesembryanthemum L. | 
| 
                                                
                                                
                                                 | 
                                            Mesosphaerum P.Browne | 
| Mestoklema N.E.Br. ex Glen | |
| Metanemone W.T.Wang | |
| 
                                                
                                                
                                                 | 
                                            Metrosideros Banks ex Gaertn. | 
| Meyerophytum Schwantes | |
| 
                                                
                                                
                                                 | 
                                            Michauxia L'Hér. | 
| 
                                                
                                                
                                                 | 
                                            Miconia Ruiz & Pav. | 
| 
                                                
                                                
                                                 | 
                                            Micranthes Haw. | 
| 
                                                
                                                
                                                 | 
                                            Micranthocereus Backeb. | 
| 
                                                
                                                
                                                 | 
                                            Microchirita (C.B.Clarke) Yin Z.Wang | 
| Microconomorpha (Mez) Lundell | |
| 
                                                
                                                
                                                 | 
                                            Microcycas (Miq.) A.DC. | 
| 
                                                
                                                
                                                 | 
                                            Microgramma C.Presl | 
| 
                                                
                                                
                                                 | 
                                            Micromeria Benth. | 
| Micropleura Lag. | |
| 
                                                
                                                
                                                 | 
                                            Microsorum Link | 
| 
                                                
                                                
                                                 | 
                                            Microsteris Greene | 
| 
                                                
                                                
                                                 | 
                                            Microtropis E.Mey. | 
| 
                                                
                                                
                                                 | 
                                            Mikania Willd. | 
| Mikaniopsis Milne-Redh. | |
| Mila Britton & Rose | |
| 
                                                
                                                
                                                 | 
                                            Milla Cav. | 
| 
                                                
                                                
                                                 | 
                                            Millettia Wight & Arn. | 
| 
                                                
                                                
                                                 | 
                                            Milligania Hook.f. | 
| 
                                                
                                                
                                                 | 
                                            Mimetes Salisb. | 
| 
                                                
                                                
                                                 | 
                                            Mimosa L. | 
| 
                                                
                                                
                                                 | 
                                            Mimulus L. | 
| 
                                                
                                                
                                                 | 
                                            Miqueliopuntia F. Ritter | 
| Mirabella F. Ritter | |
| 
                                                
                                                
                                                 | 
                                            Misodendrum Banks ex DC. | 
| 
                                                
                                                
                                                 | 
                                            Mitchella L. | 
| 
                                                
                                                
                                                 | 
                                            Mitella L. | 
| 
                                                
                                                
                                                 | 
                                            Mitragyna Korth. | 
| 
                                                
                                                
                                                 | 
                                            Mitrasacme Labill. | 
| Mitrastemon Makino | |
| 
                                                
                                                
                                                 | 
                                            Mitreola L. | 
| 
                                                
                                                
                                                 | 
                                            Mitrephora Hook.f. & Thomson | 
| Mitrophyllum Schwantes | |
| 
                                                
                                                
                                                 | 
                                            Mohavea A.Gray | 
| 
                                                
                                                
                                                 | 
                                            Moltkia Lehm. | 
| 
                                                
                                                
                                                 | 
                                            Monanthes Haw. | 
| 
                                                
                                                
                                                 | 
                                            Monarda L. | 
| 
                                                
                                                
                                                 | 
                                            Moneses Salisb. ex Gray | 
| 
                                                
                                                
                                                 | 
                                            Monilaria (Schwantes) Schwantes | 
| 
                                                
                                                
                                                 | 
                                            Monnina Ruiz & Pav. | 
| Monochoria C. Presl | |
| 
                                                
                                                
                                                 | 
                                            Monocostus K.Schum. | 
| 
                                                
                                                
                                                 | 
                                            Monolluma Plowes | 
| Monoon Miq. | |
| Monoporus A.DC. | |
| 
                                                
                                                
                                                 | 
                                            Monotropa L. | 
| 
                                                
                                                
                                                 | 
                                            Monotropsis Schwein. ex Elliott | 
| Monsonia L. | |
| 
                                                
                                                
                                                 | 
                                            Monstera Adans. | 
| 
                                                
                                                
                                                 | 
                                            Montiopsis Kuntze | 
| 
                                                
                                                
                                                 | 
                                            Monttea Gay | 
| 
                                                
                                                
                                                 | 
                                            Mora Schomb. ex Benth. | 
| 
                                                
                                                
                                                 | 
                                            Moraea Mill. | 
| 
                                                
                                                
                                                 | 
                                            Morchella Dill. ex Pers. | 
| 
                                                
                                                
                                                 | 
                                            Moricandia DC. | 
| 
                                                
                                                
                                                 | 
                                            Morina L. | 
| 
                                                
                                                
                                                 | 
                                            Moschopsis Phil. | 
| Mossia N.E.Br | |
| Muehlbergella Feer | |
| Muehlenbeckia Meisn. | |
| Muilla S.Watson ex Benth. | |
| Muiria N.E.Br | |
| Mulguraea N.O'Leary & P.Peralta | |
| 
                                                
                                                
                                                 | 
                                            Mundulea Benth. | 
| 
                                                
                                                
                                                 | 
                                            Muraltia Neck. | 
| 
                                                
                                                
                                                 | 
                                            Murdannia Royle | 
| 
                                                
                                                
                                                 | 
                                            Murraya J.Koenig ex L. | 
| 
                                                
                                                
                                                 | 
                                            Musa L. | 
| 
                                                
                                                
                                                 | 
                                            Muscari Mill. | 
| Muscarimia Kostel. ex Losinsk. | |
| 
                                                
                                                
                                                 | 
                                            Musella (Franch.) C.Y.Wu ex H.W.Li | 
| Musgravea F.Muell. | |
| 
                                                
                                                
                                                 | 
                                            Musineon Raf. | 
| Mutellina Wolf | |
| 
                                                
                                                
                                                 | 
                                            Mutisia L.f. | 
| 
                                                
                                                
                                                 | 
                                            Myoschilos Ruiz & Pav. | 
| 
                                                
                                                
                                                 | 
                                            Myosotidium Hook. | 
| 
                                                
                                                
                                                 | 
                                            Myosotis L. | 
| 
                                                
                                                
                                                 | 
                                            Myricaria Desv. | 
| 
                                                
                                                
                                                 | 
                                            Myrmecodia Jack | 
| Myrsine L. | |
| Myrtgerocactus Moran | |
| 
                                                
                                                
                                                 | 
                                            Myrtillocactus Console | 
| 
                                                
                                                
                                                 | 
                                            Mystropetalon Harv. | 
| Mytilaria Lecomte |