Mahonia aquifolium
Maianthemum bifolium
Malus domestica
Malus sp.
Malva alcea
Malva moschata
Malva neglecta
Malva pusilla
Malva sylvestris
Malva sylvestris var. mauritiana
Marrubium vulgare
Matricaria discoidea
Matricaria recutita
Matteuccia struthiopteris
Medicago × varia
Medicago falcata
Medicago lupulina
Medicago minima
Medicago rigidula
Medicago sativa
Melampyrum arvense
Melampyrum nemorosum
Melampyrum nemorosum var. nemorosum
Melampyrum pratense
Melampyrum sylvaticum
Melica ciliata
Melica nutans
Melica uniflora
Melilotus albus
Melilotus altissimus
Melilotus officinalis
Melilotus sp.
Melissa officinalis
Melittis melissophyllum
Mentha × dumetorum
Mentha × gracilis
Mentha × piperita
Mentha × rotundifolia
Mentha × verticillata
Mentha aquatica
Mentha arvensis
Mentha longifolia
Mentha sp.
Menyanthes trifoliata
Mercurialis annua
Mercurialis perennis
Microrrhinum litorale
Microrrhinum minus
Milium effusum
Mimulus guttatus
Mimulus ringens
Minuartia setacea
Miscanthus sinensis
Misopates orontium
Moehringia trinervia
Molinia arundinacea
Molinia caerulea
Moneses uniflora
Monotropa hypopitys
Montia fontana
Muscari armeniacum
Muscari botryoides
Muscari comosum
Muscari latifolium
Muscari neglectum
Muscari sp.
Muscari tenuiflorum
Mycelis muralis
Myosotis arvensis
Myosotis caespitosa
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
Myricaria germanica
Myriophyllum spicatum
Myrrhis odorata