Jump to genus: Maclura, Macowanites, Macrocystidia, Macrotyphula, Madia, Mahonia, Maianthemum, Malaxis, Malus, Malva, Malvella, Marah, Marasmiellus, Marasmius, Marrubium, Marsilea, Massalongia, Matricaria, Matthiola, Mazus, Meconella, Medicago, Melampyrum, , Melanelia, , Melanogaster, , Melanohalea, Melanoleuca, Melanophyllum, Melastiza, Melica, Melilotus, Melissa, Menegazzia, Mentha, , Mentzelia, Menyanthes, Meripilus, Mertensia, Meruliopsis, Mespilus, Micranthes, Microgilia, Micromonolepis, Micropus, Microseris, Microsteris, Microstoma, Mimetanthe, Mimulus, Mirabilis, Miriquidica, Misopates, Mitella, Mitellastra, Mitrula, Moehringia, Moenchia, Mollugo, Monarda, Monardella, Moneses, Monotropa, Montagnea, Montia, , Morchella, Morella, Morus, , Mucronella, Muhlenbergia, , Multiclavula, Murdannia, Muscari, Mutinus, Mycelis, Mycena, Mycenastrum, Mycetinis, Mycobilimbia, Mycoblastus, Myosotis, Myosoton, Myosurus, Myrica, Myriolecis, Myriophyllum, Myriopteris, Myriosclerotinia, Mythicomyces, Myxomphalia
