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 (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 - Britton, Nathaniel Lord, 1859 -1934 (H. Holt, 1907)

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 flowering plants of Iowa - Fitzpatrick, T. J., 1868 - (Privately published, 1899)

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (Govt. Printer, 1925)

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

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)

Maryland naturalist - Natural History Society of Maryland (The Society, 1993)

Maryland naturalist - Natural History Society of Maryland (The Society, 2002)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1885)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1904)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1912)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1925)

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)

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)

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

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

Memoirs of the New York Botanical Garden - New York Botanical Garden (The Garden, 1954)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1902)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1920)

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

Memórias do Instituto de Butantan - Instituto Butantan (Instituto Soroterápico "Butantan", 1918)

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)

The Metaspermae of the Minnesota Valley. A list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley : a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 (Geological and Natural History Survey of Minnesota, 1892)

The Metaspermae of the Minnesota Valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota river - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1969)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1971)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1975)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1977)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1978)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1982)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1983)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1985)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1987)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1989)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1991)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1993)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1996)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1997)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1998)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2001)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2003)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2005)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2006)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2008)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2009)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2010)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2011)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2012)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2013)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2014)

Michigan flora : a list of the fern and seed plants growing without cultivation - Beal, W. J. (William James), 1833 -1924 (State Board of Agriculture, 1904)

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1921)

Mikrochemie der pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1923)

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1913)

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

Minnesota plant press : newsletter of the Minnesota Native Plant Society - Minnesota Native Plant Society. (Minnesota Native Plant Society, 1987)

Miscellaneous papers, 1894-1896 (inclusive) - New England Botanical Club. (1894)

Miscellaneous papers on the botany of Michigan - Dodge, C. K. (Charles Keene), 1844 -1918 (Wynkoop Hallenbeck Crawford, State Printers, 1921)

Miscellaneous publications - University of Michigan. Museum of Zoology. (The University, 1916)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1972)

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

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1993)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 2017)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1914)

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

Mitteilungen der Bayerischen Botanischen Gesellschaft zur Erforschung der Heimischen Flora (E.V.) - Bayerische Botanische Gesellschaft zur Erforschung der Heimischen Flora. (Selbstverlag der Gesellschaft, 1913)

Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 1976)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1950)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1959)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1961)

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

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

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1990)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1917)

Mittheilungen von Forschungsreisenden und Gelehrten aus den deutschen Schutzgebieten : mit Benutzung amtlicher quellen (U. Usher, 1889)

A monograph of the Mycetozoa : a descriptive catalogue of the species in the Herbarium of the British Museum - British Museum (Natural History). Department of Botany. (Printed by order of the Trustees of the British Museum, 1911)

Monographs in systematic botany from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1981)

Morphology of angiosperms : (Morphology of spermatophytes, Part II) - Coulter, John Merle, 1851 -1928 (D. Appleton, 1909)

Morphology of angiosperms (Morphology of spermatophytes, Part II) - Coulter, John Merle, 1851 -1928 (Appleton & Co, 1903)

Morphology of angiosperms (Morphology of spermatophytes. Part II) - Coulter, John Merle, 1851 -1928 (D. Appleton, 1903)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1983)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1990)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1993)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1994)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1997)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1998)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 2000)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 2008)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 2011)