Ohio florası listesi
M

Macleaya cordata (I)
Maclura pomifera (N)
Magnolia acuminata (N)
Magnolia fraseri (N)
Magnolia macrophylla (N)
Magnolia × soulangeana (I)
Magnolia stellata (I)
Magnolia tripetala (N)
Mahonia aquifolium (N)
Maianthemum canadense (N)
Maianthemum racemosum ssp. racemosum (N)
Maianthemum stellatum (N)
Maianthemum trifolium (N)
Malaxis unifolia (N)
Malus angustifolia var. angustifolia (N)
Malus baccata (I)
Malus coronaria (N)
Malus floribunda (I)
Malus ioensis var. ioensis (N)
Malus × platycarpa (N)
Malus pumila (I)
Malus toringo (I)
Malus zumi (I)
Malva alcea (I)
Malva moschata (I)
Malva neglecta (I)
Malva pusilla (I)
Malva sylvestris (I)
Malva verticillata (I)
Manfreda virginica (N)
Marrubium vulgare (I)
Marsilea quadrifolia (I)
Marsilea quadrifolia (N)
Matelea obliqua (N)
Matricaria discoidea (I)
Matricaria recutita (I)
Matteuccia struthiopteris (N)
Mazus pumilus (I)
Medeola virginiana (N)
Medicago lupulina (I)
Medicago polymorpha (I)
Medicago sativa ssp. falcata (I)
Medicago sativa ssp. sativa (I)
Meehania cordata (N)
Melampyrum lineare var. latifolium (N)
Melampyrum lineare var. lineare (N)
Melica nitens (N)
Melilotus altissimus (I)
Melilotus officinalis (I)
Melissa officinalis (I)
Menispermum canadense (N)
Mentha aquatica (I)
Mentha arvensis (N)
Mentha × gracilis (I)
Mentha × piperita (N)
Mentha × rotundifolia (I)
Mentha spicata (I)
Mentha suaveolens (I)
Mentha × villosa (I)
Menyanthes trifoliata (N)
Mercurialis annua (I)
Mertensia virginica (N)
Microstegium vimineum (I)
Microthlaspi perfoliatum (I)
Mikania scandens (N)
Milium effusum var. cisatlanticum (N)
Mimulus alatus (N)
Mimulus ringens var. ringens (N)
Minuartia michauxii var. michauxii (N)
Minuartia patula (N)
Mirabilis albida (N)
Mirabilis hirsuta (N)
Mirabilis jalapa (I)
Mirabilis nyctaginea (N)
Miscanthus sinensis (I)
Misopates orontium (I)
Mitchella repens (N)
Mitella diphylla (N)
Moehringia lateriflora (N)
Moehringia trinervia (I)
Mollugo verticillata (N)
Monarda clinopodia (N)
Monarda didyma (N)
Monarda fistulosa ssp. fistulosa var. fistulosa (N)
Monarda fistulosa ssp. fistulosa var. mollis (N)
Monarda fistulosa ssp. fistulosa (N)
Monarda media (N)
Monarda punctata ssp. punctata var. villicaulis (N)
Monarda punctata ssp. punctata (N)
Moneses uniflora (N)
Monolepis nuttalliana (N)
Monotropa hypopithys (N)
Monotropa uniflora (N)
Morella pensylvanica (N)
Morus alba (I)
Morus nigra (I)
Morus rubra var. rubra (N)
Muhlenbergia asperifolia (N)
Muhlenbergia capillaris (N)
Muhlenbergia × curtisetosa (N)
Muhlenbergia cuspidata (N)
Muhlenbergia frondosa (N)
Muhlenbergia glomerata (N)
Muhlenbergia mexicana (N)
Muhlenbergia schreberi (N)
Muhlenbergia sobolifera (N)
Muhlenbergia sylvatica (N)
Muhlenbergia tenuiflora (N)
Muscari armeniacum (I)
Muscari botryoides (I)
Muscari comosum (I)
Muscari neglectum (I)
Myagrum perfoliatum (I)
Myosotis arvensis (I)
Myosotis discolor (I)
Myosotis laxa (N)
Myosotis macrosperma (N)
Myosotis scorpioides (I)
Myosotis stricta (I)
Myosotis sylvatica (I)
Myosotis verna (N)
Myosoton aquaticum (I)
Myosurus minimus (N)
Myriophyllum aquaticum (I)
Myriophyllum heterophyllum (N)
Myriophyllum humile (N)
Myriophyllum pinnatum (N)
Myriophyllum sibiricum (N)
Myriophyllum spicatum (I)
Myriophyllum verticillatum (N)