Mahonia aquifolium
Maianthemum bifolium
Malus domestica
Malus sp.
Malus sylvestris
Malva alcea
Malva moschata
Malva neglecta
Malva pusilla
Malva sp.
Malva sylvestris
Malva sylvestris var. mauritiana
Malva verticillata
Matricaria discoidea
Matricaria recutita
Matricaria recutita f. bayeri
Matteuccia struthiopteris
Medicago × varia
Medicago falcata
Medicago lupulina
Medicago minima
Medicago sativa
Medicago sp.
Melampyrum arvense
Melampyrum cristatum
Melampyrum nemorosum
Melampyrum pratense
Melampyrum sylvaticum
Melica altissima
Melica ciliata
Melica nutans
Melica picta
Melica sp.
Melica transsilvanica
Maianthemum bifolium
Malus domestica
Malus sp.
Malus sylvestris
Malva alcea
Malva moschata
Malva neglecta
Malva pusilla
Malva sp.
Malva sylvestris
Malva sylvestris var. mauritiana
Malva verticillata
Matricaria discoidea
Matricaria recutita
Matricaria recutita f. bayeri
Matteuccia struthiopteris
Medicago × varia
Medicago falcata
Medicago lupulina
Medicago minima
Medicago sativa
Medicago sp.
Melampyrum arvense
Melampyrum cristatum
Melampyrum nemorosum
Melampyrum pratense
Melampyrum sylvaticum
Melica altissima
Melica ciliata
Melica nutans
Melica picta
Melica sp.
Melica transsilvanica
Melica uniflora
Melilotus albus
Melilotus dentatus
Melilotus officinalis
Melissa officinalis
Melittis melissophyllum
Mentha × piperita
Mentha × rotundifolia
Mentha × verticillata
Mentha aquatica
Mentha arvensis
Mentha longifolia
Mentha sp.
Mentha spicata
Mentha spicata subsp. spicata
Menyanthes trifoliata
Mercurialis annua
Mercurialis perennis
Mespilus germanica
Metasequoia glyptostroboides
Microrrhinum minus
Milium effusum
Mimulus sp.
Minuartia fastigiata
Minuartia setacea
Mirabilis jalapa
Miscanthus sinensis
Misopates orontium
Moehringia trinervia
Monotropa hypopitys
Morus alba
Muscari armeniacum
Muscari botryoides
Muscari comosum
Melilotus albus
Melilotus dentatus
Melilotus officinalis
Melissa officinalis
Melittis melissophyllum
Mentha × piperita
Mentha × rotundifolia
Mentha × verticillata
Mentha aquatica
Mentha arvensis
Mentha longifolia
Mentha sp.
Mentha spicata
Mentha spicata subsp. spicata
Menyanthes trifoliata
Mercurialis annua
Mercurialis perennis
Mespilus germanica
Metasequoia glyptostroboides
Microrrhinum minus
Milium effusum
Mimulus sp.
Minuartia fastigiata
Minuartia setacea
Mirabilis jalapa
Miscanthus sinensis
Misopates orontium
Moehringia trinervia
Monotropa hypopitys
Morus alba
Muscari armeniacum
Muscari botryoides
Muscari comosum
Muscari neglectum
Muscari sp.
Mycelis muralis
Myosotis arvensis
Myosotis discolor
Myosotis nemorosa
Myosotis palustris
Myosotis palustris agg.
Myosotis palustris subsp. laxiflora
Myosotis palustris subsp. palustris
Myosotis ramosissima
Myosotis sparsiflora
Myosotis stricta
Myosotis sylvatica
Myosoton aquaticum
Myosurus minimus
Myriophyllum spicatum
Muscari sp.
Mycelis muralis
Myosotis arvensis
Myosotis discolor
Myosotis nemorosa
Myosotis palustris
Myosotis palustris agg.
Myosotis palustris subsp. laxiflora
Myosotis palustris subsp. palustris
Myosotis ramosissima
Myosotis sparsiflora
Myosotis stricta
Myosotis sylvatica
Myosoton aquaticum
Myosurus minimus
Myriophyllum spicatum