Madagascar: profil de l'environnement (1990)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2010)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2013)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2014)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2015)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2016)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2017)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1957)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1969)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1970)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1973)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1974)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1994)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2004)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2011)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2014)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2020)

Malacologia - Institute of Malacology. (Institute of Malacology], 2007)

Mammals of the La Selva-Braulio Carrillo Complex, Costa Rica - Timm, Robert M. (U.S. Dept. of the Interior, Fish and Wildlife Service, 1989)

Mammals of the Rio Juruá and the evolutionary and ecological diversification of Amazonia - Silva, Maria Nazareth F. da (American Museum of Natural History, 2000)

Les Mangroves de l'Afrique de l’Ouest et centrale. UNEP-WCMC Biodiversity Series 26 - Ravilious, Corinna (UNEP-WCMC/UNEP, 2009)

Mangroves of Western and Central Africa. UNEP-WCMC Biodiversity Series 26 - Ravilious, Corinna (UNEP-WCMC, UNEP, 2007)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1908)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1904)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2004)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2007)

A manual of botany - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (J. & A. Churchill, 1895)

A manual of Indian timbers: an account of the structure, growth, distribution, and qualities of Indian woods - Gamble, J. S. (James Sykes), 1847 -1925 (Office of the Superintendent of Govt. Printing, 1881)

A manual of materia medica and therapeutics including the preparations of the British pharmacopoeia (1867), and many other approved medicines - Royle, J. Forbes (John Forbes), 1798 -1858 (John Churchill & Sons, 1868)

A manual of organic materia medica and pharmacognosy; an introduction to the study of the vegetable kingdom and the vegetable and animal drugs (with syllabus of inorganic remedial agents) comprising the botanical and physical characteristics, source, constituents, pharmacopoeial preparations, insects injurious to drugs, and pharmacal botany - Sayre, Lucius Elmer. (Blakiston, 1917)

A manual of poisonous plants : chiefly of eastern North America : with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1911)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1910)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch press, 1911)

A manual of scientific terms, pronouncing, etymological, and explanatory, chiefly comprising terms in botany, natural history, anatomy, medicine, and veterinary science, with an appendix of specific names. Designed for the use of junior medical students, and others studying one or other of these sciences - Stormonth, James, 1824 -1882 (Maclachlan and Stewart, 1885)

A manual of the flowering plants of California - Jepson, Willis Linn, 1867 -1946 (Sather Gate Bookshop, 1925)

Manual of the southeastern flora :being descriptions of the seed plants growing naturally in Florida, Alabama, Mississippi, eastern Louisiana, Tennessee, North Carolina, South Carolina and Georgia - Small, John Kunkel, 1869 -1938 (The author, 1933)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1905)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, 1905)

Marsupials and rodents of the Admiralty Islands, Papua New Guinea - Timm, Robert M. (Museum of Texas Tech University, 2017)

Materia medica of vegetable and animal origin with notes on the pharmacy of official drugs - Humphrey, John, 1862 - (Henry Kimpton, 1907)

Materials for a flora of the Malayan Peninsula - King, George, 1840 -1909 (1889)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1893)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1894)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1896)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1900)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1902)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1904)

Mededeelingen uitgaande van het Departement van Landbouw - Dutch East Indies. Departement van Landbouw. (G. Kolff & Co, 1907)

Mededeelingen uitgaande van het Departement van Landbouw - Dutch East Indies. Departement van Landbouw. (G. Kolff & Co, 1910)

Mededeelingen uitgaande van het Departement van Landbouw - Dutch East Indies. Departement van Landbouw. (G. Kolff & Co, 1913)

Mededeelingen uitgaande van het Departement van Landbouw - Dutch East Indies. Departement van Landbouw. (G. Kolff & Co, 1914)

Mededeelingen van 's Rijks Herbarium - Rijksherbarium (Netherlands) ([Rijks Universiteit, Rijks Herbarium], 1910)

La medicina tradicional de los tacana y machineri : conocimientos prácticos de las plantas medicinales - Carpio T., Griceldo (Carpio Tancara) (PIEB, Programa de Investigación Estratégica en Bolivia, 2005)

Medicinal plants of tropical and subtropical regions - Sievers, A. F. (Arthur Frederick), 1885 - (U.S. Dept. of Agriculture, 1942)

Medicinalflora : eine Einführung in die allgemeine und angewandte Morphologie und Systematik der Pflanzen, mit besonderer Rücksicht auf das Selbststudium für Pharmaceuten, Mediciner und Studirende - Müller, Carl, 1855 -1907 (J. Springer, 1890)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1854)

Mémoires du Muséum national d'histoire naturelle. Série C, Sciences de la terre - Muséum national d'histoire naturelle (France) (Ed. du Muséum, 1952)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Museum, 1942)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1975)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1986)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1955)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1971)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1979)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1990)

Memoirs - Brooklyn Botanic Garden. (The Garden, 1918)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 2004)