Macphersonia Gracilis
Macronectes Giganteus (Southern Giant Petrel)
Mackaya Bella
Macrotinium
Mag Acet
Mag Arsen
Mag Brom
Mag Carb
Mag Fluor
Mag Iod
Mag Lact
Mag Met
Mag Mur (Mag Chlor)
Mag Nit
Mag Oxydatum
Mag Phos
Mag Sil
Mag Sulph
Magenta
Maggot (Larva Lucilia Sericata)
Magnetis Artificialis (Mag Pol Ambo)
Magnetis Polus Ambo (Mag Artificialis)
Magnetis Polus Arcticus
Magnetis Polus Australis
Magnetite
Magnolia Grandiflora
Magpie (Pica Pica)
Mahonia (Berberis Aquifolium)
Maiasaura Lapidea (Dinosaur Fossil)
Maize (Corn, Zea Mays)
Makaira Nigricans (Blue Marlin)
Malic Acid (Acid Malic)
Mallein (Hippozaeninum)
Malus Comm
Malus Domestica
Malva Silvestris
Mammary Gland
Manam Lava
Mancinella Hipp
Mandragora
Manganum Acet
Manganum Brom
Manganum Carb
Manganum Diox
Manganum Iod
Manganum Met
Manganum Mur
Manganum Nit
Manganum Oxy
Manganum Phos
Manganum Sil
Manganum Sulph
Mangifera Indica
Mangosteen (Garcinia Mangostana)
Mangrove Viper (Trimeresurus purp)
Mantis Religiosa
MAP (Mucor Aspergillus Penicillinum)
Maple (Japanese, Acer palm)
Maple (Sugar, Acer saccharum)
Marble (Lapis Marmoris Calc)
Marbre Saccharoide
Margerine
Marmorek (Tub Marmorek)
Marmota Marmota (Marmot, alpine)
Marsh Fritillary Butterfly (Euphydras Aur)
Marshmallow (Althaea Off)
Marten (Martes foina)
Marum Verum (Teucrium Mar)
Marzipan
Mascara (mixed)
Mastodia Tessellata (Turgidosculum Complicatulum)
Matico (Piper Ang)
Medicago Sat (Alfalfa)
Medorrhinum (Gonococcin)
Medusa (Aurelia aurita, Moon Jellyfish)
Meerkat (Suricata suricatta)
Megaptera Novaeangliae (Whale, Humpback)
Mel (Honey)
Mel Cum Sale
Melaleuca Altern (Tea Tree)
Melampsalta montana (Cicada)
Melastoma Ackermanni
Melatonin
Meleagris gallopavo (Turkey)
Meles Meles (Badger)
Meligethes Aeneus (Pollen Beetle)
Melilotus Off
Melissa Off
Melitagrinum
Melopsittacus Undulatus (Budgie)
Menelaus Blue (Morpho Menelaus Occ)
Menispermum
Mentha Piperita
Mentha Pulegium
Menthol
Menyanthes Trifoliate
Mephitis Mephitis (M. Putorius)
Merc Acet
Merc Arsen
Merc Aur
Merc Brom
Merc Corr (Merc Chloride)
Merc Cyan
Merc Dulc (Calomel)
Merc Fluor
Merc Iod Flav (Merc Prot, Mercurous Iod)
Merc Iod Rub (Merc Bin-iod, Mercuric Iod)
Merc Kali Iod
Merc Nit
Merc Phos
Merc Praec Albus (Hydrargyrum Amm)
Merc Praec Flav
Merc Praec Rub
Merc Sol
Merc Sulph
Merc Sulph Rub (Cinnabaris)
Merc Sulphocyan
Merc Viv (Hydrargyrum)
Mercurialis Perrenis
Mercurius Ant (Aethiops Ant, A. Min, A. Merc)
Mesembryanthemum Cordifolia (Aptenia Cordifolia)

Mesocricetus Aur (Pel Cavae Cobaiae, Golden Hamster)

Meteorite (Eising)
Methacrylic Resin
Methane
Methanol (Methyl Alcohol)
 
Methionine (DL-)
Methyl Alcohol (Methanol)
Methyl Bromide
Methylene Blue (Methylenum Coeruleum)
Metron
Mezerium (Daphne Mezereum)
Mica
Microwave
Micrurus Cor (Elaps Cor)
Midge (Culicoides Mixed, Sweet Itch)
Midge (Scottish)
Milk
Milk snake (Lampropeltis Triangulum)
Milk Thistle(Carduus Mar, Silybum Mar )
Millefolium (Achillea Millefolium)
Millipede (Polydesmus Angustus)
Milvus Migrans (Kite, Black)
Milvus Milvus (Kite, Red)
Mimosa Pudica
Mimulus
Mimus Polyglottus (Mockingbird)
Mineral (Mineralis)
Minke Whale (Balaenoptera acutorostrata)
Minovlae
Misodendron Oblongifolium
Misodendrum Punctulatum (Fool's Misteltoe)
Mixed Grass Pollens (USA)
Mixed Grasses
Mixed Mosses
Mixed Moulds
Mixed Perfume
Mixed Pollen (Japanese)
Mixed Pollens
Mixed Pollens (Flower)
Mixed Pollens (Grasses and Flower)
Mixed Pollens (Grasses and Pollens)
Mixed Pollens (Tree)
Mixed Tree Pollens (USA)
Mixed UK Midge (Culicoides Impunctatus, Sweet Itch)
Mock Orange (Philadelphius Coronarius)
Mockingbird (Mimus Polyglottus)
Mokala (Acacia Erioloba)
Moldavite
Mole (Talpa europaea)
Molybdenum Met
Molybdenum Mur
Molybdenum Nit
Molybdenum Phos
Molybdenum Sulph
Molybdenum Trioxide (Acid Molybdic, Molybdic Acid)
Momordica Balsamina
Monarch Butterfly (Danaus Plexippus)
Mongoose (Banded, Mungos Mungos)
Mongoose (Marsh, Atilax Pal)
Monkey (Capuchin, Cebus Apella)
Monkey (Vervet, Chlorocebus Pygerythrus)
Monkey Orchid (Orchis Simia)
Monkey Puzzle Tree (Araucaria araucana, Pehuén)
Monkfish (Anglerfish, Lophius piscatorius)
Monosodium Glutamate (Sodium Glut, Natrum Glut)
Monzalite
Moon Jellyfish (Aurelia aurita, Medusa)
Moonstone
Moose (Elk, milk - Lac Alces)
Moray Eel (Muraena Mel)
Morgan (Bach)
Morgan Co
Morgan Gaertner (Paterson)
Morgan Pure (Paterson)
Morion Immersion
Morpho Menelaus Occ (Menelaus Blue)
Morpho Peleides (Butterfly, Blue Morpho)
Morus Nigra
Moschus Mosch (Tunq)
Mosquito (Anopheles Maculipennis)
Mosquito (Culex)
Moss (mixed wood)
Moss Agate
Moth (see Acherontia, Apeira, Bombyx and Isia)
Moth (Tiger, Pyrrharctia, Isia Isabella)
Moulds (mixed)
Mourning Dove (Zenaida Macroura)
Mouse fur (Apodemus sylv, Pel muris)
Mouse fur (Mus Musculus)
Muco Bacter (Mersch)
Mucor Aspergillus Penicillinum (MAP)
Mucor Mucedo
Mucor Racemosus
Mud dauber (Sceliphron caementarium, wasp)
Mugwort (Artemisia Vulgaris)
Mullein (Verbascum Thapsus)
Mungos Mungos (Banded mongoose)
Muraena Mel (Moray Eel)
Murex Purpurea
Muriaticum Acid (Acid Muriaticum, Hydrochloric Acid)
Mus Musculus (Mouse fur)
Musa Sapientum
Musca Domestica (House Fly)
Muscarinum Nit
Muscle (Non-striated Tissue)
Muscle (Striated Tissue)
Musculosum
Mushroom
Mussel (Blue, Mytilus Edulis, M. Trossilus)
Mussel (Brachiodontes Rodriguezi)
Mustela Erminea (Stoat, Weasel)
Mustela putorius furo (Ferret)
Mutabile (Paterson)
Mute Swan (Cygnus Olor)
Mycena Inclinata
Mycotoxins
Myelin
Mygale Lasiodora
Myocardium
Myosotis Arvensis (Field Forget-Me-Not)
Myosotis Symphytipolia (Forget-Me-Not)
Myrica Cerifera
Myristica Fragrans
Myristica Sebifera (Virola)
Myrrh
Myrtus Comm
Mytilus Edulis (Mytilus Trossilus, Mussel)