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