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)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2015)

A manual flora of Egypt - Muschler, Reinhold Conrad, 1883 -1957 (1912)

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

A manual of elementary materia medica - Wills, George S. V. (Simpkin, Marshall, Hamilton, Kent & Co, 1893)

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, 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)

Manual of the Agromyzidae (Diptera) of the United States - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1986)

Manual of the botany (Phænogamia and Pteridophyta) of the Rocky Mountain region : from New Mexico to the British boundary - Coulter, John Merle, 1851 -1928 (Ivison, Blakeman, Taylor, and company, 1885)

Manual of the flora of Jackson County, Missouri - Bush, Benjamin Franklin, 1858 -1937 (1902)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt, 1907)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1905)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1901)

Manual of the flora of the northern states and Canada, by Nathaniel Lord Britton ... - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1901)

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

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (Govt. Printer, 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)

Manual of vascular plants of the lower Yangtze Valley, China - Steward, Albert Newton, 1897 - (Oregon State College, 1958)

A manual of vegetable materia medica - University of Glasgow. Library. (Simpkin, Marshall & Co, 1883)

A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control - Georgia, Ada Eljiva, 1859 -1921 (Macmillan, 1919)

A manual of weeds, with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control - Georgia, Ada Eljiva, 1859 - (The Macmillan Company, 1916)

A manual of weeds, with descriptions of all the most pernicious and troublesome plants in the United States and Canada - Georgia, Ada Eljiva, 1859 - (The Macmillan company, 1914)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1902)

The Marine Mammal Commission compendium of selected treaties, international agreements, and other relevant documents on marine resources, wildlife, and the environment - U.S. Fish; Wildlife Service (The Commission, 1994)

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

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

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

Medicinal uses of plants by Indian tribes of Nevada. Part II, (pages 62-129) - Archer, W. Andrew (William Andrew), 1894 -1973 (Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1941)

Medicinal uses of plants by Indian tribes of Nevada - Archer, W. Andrew (William Andrew), 1894 -1973 (Plant Industry Station, 1957)

Medicinal uses of plants by Indian tribes of Nevada. Part III, (pages 130-199) - Archer, W. Andrew (William Andrew), 1894 -1973 (Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1941)

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, 1865)

Mémoires de la Société entomologique d'Egypte - Jamiyat al-Hasharat al-Misriyah. (1924)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 6e série. Seconde partie, Sciences naturelles - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) ([Académie impériale des sciences de St.-Pétersbourg], 1845)

Mémoires de la Société des Sciences Naturelles de Neuchâtel - Société des sciences naturelles de Neuchâtel (1914)

Mémoires présentés à l'Académie impériale des Sciences de St. Petersbourg par divers Savans et dans ses assemblées - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1858)

Mémoires présentés à l'Institut Égyptien - Institut égyptien. (1899)

Mémoires présentés à l'Institut Égyptien - Institut égyptien. (1901)

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

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1993)

Memoirs of the Indian Museum - Indian Museum. (Manager of Publications [etc.]; Calcutta, Govt. of India Press, 1915)

Memoirs of the Museum of Victoria - Museum of Victoria. (: The Museum of Victoria, 1995)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1989)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1977)

Memorias - Academia Nacional de Ciencias Antonio Alzate, Mexico

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1915)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1900)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1880)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1914)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1916)

Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1998)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1972)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2004)

Mildews, rusts, and smuts. A synopsis of the families, Peronosporaceae, Erysiphaceae, Uredinaceae and Ustilaginaceae - Massee, George, 1850 -1917 (Dulau and Company, 1913)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1896)

[Miscellaneous papers] - Trautvetter, Ernst Rudolph von, 1809 -1889 (1857)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1916)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1962)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1969)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1970)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1971)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1981)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 2014)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1980)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1989)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1990)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1991)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1920)

Mitteilungen aus den deutschen Schutzgebieten (E.S. Mittler, 1911)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1963)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1966)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1971)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1973)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1977)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1982)