Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1909)

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 del Reale Istituto Veneto di Scienze, Lettere ed Arti - Regio Istituto veneto di scienze, lettere ed arti (Venice, Italy) (1852)

Memorie del Reale Istituto Veneto di Scienze, Lettere ed Arti - Regio Istituto veneto di scienze, lettere ed arti (Venice, Italy) (1858)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1850)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1851)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1855)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1908)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1919)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1840)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1848)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1866)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1892)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1905)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1908)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1912)

Memorie della Reale Accademia di Scienze, Lettere ed Arti di Modena - Reale Accademia di Scienze Lettere ed Arti di Modena. (1833)

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)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1805)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1829)

El Mercurio Chileno (1829)

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)

Methodus plantarum nova : brevitatis & perspicuitatis causa synoptice in tabulis exhibita, cum notis generum tum summorum tum subalternorum characteristicis, observationibus nonnullis de seminibus plantarum & indice copioso - Ray, John, 1627 -1705 (impensis Henrici Faithorne & Joannis Kersey, ad insigne Rofæ Coemeterio D. Pauli, 1682)

Methodus plantas horti botanici et agri Marburgensis :a staminum situ describendi - Moench, Conrad, 1744 -1805 (in officina nova libraria academiae, 1794)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

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

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (1885)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1962)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1965)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1973)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1986)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1990)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1992)

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

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

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)

Michigan flora. Prepared for the thirtieth annual report of the Secretary of the State Board of Agriculture - Michigan. State Board of Agriculture. (R. Smith & co., printers, 1892)

Michigan weeds - Beal, W. J. (William James), 1833 -1924 (Michigan Agricultural College Experiment Station, Botanical Dept, 1911)

Michigan weeds - Beal, W. J. (William James), 1833 -1924 (1915)

The micrographic dictionary : a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John van Voorst, 1860)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

The Microscope ([s.n, 1881)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1881)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1883)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1884)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1887)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1888)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1891)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1892)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1893)

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)

Mimulus memo - California Native Plant Society. Kern Chapter. (California Native Plant Society Kern Chapter, 2005)

The miniature language of flowers - Burke, L., Mrs. (George Routledge and Sons, Broadway, Ludgate Hill, 1865)

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

Minnesota weeds : ser. 1-[3] - Boss, Andrew, 1867 -1947 (University of Minnesota, 1913)

Miscellanea entomologica; revue entomologique internationale - Union entomologique. (1897)

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

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1919)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1928)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1956)

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

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1988)

Missouri wildflowers of the St. Louis area - Missouri Botanical Garden. (Missouri Botanical Garden, 1978)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1983)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1984)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1987)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1988)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 2003)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 2018)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1912)

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 aus dem Naturwissenschaftlichen Verein für Neuvorpommern und Rügen in Griefswald ... - Naturwissenschaftlicher Verein für Neuvorpommern und Rügen, Greifswald. (1882)

Mitteilungen aus den Botanischen Staatsinstituten in Hamburg - Botanische Staatsinstitut (Hamburg, Germany) (L. Gräfe & Sillem, 1903)

Mitteilungen der Bayerischen Botanischen Gesellschaft zur Erforschung der Heimischen Flora (E.V.) - Bayerische Botanische Gesellschaft zur Erforschung der Heimischen Flora. (Selbstverlag der Gesellschaft, 1906)

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 Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1970)

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

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

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1904)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1906)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1912)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1918)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1878)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1882)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1883)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1907)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1915)