Memoir and correspondence of the late Sir James Edward Smith - Smith, James Edward, 1759 -1828 (Longman, Rees, Orne Brown, Green and Longman, 1832)

Mémoires couronnés et mémoires des savants étrangers / publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1898)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1868)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1869)

Memoires de l'Academie (Royale) des Sciences, Inscriptions et Belles-Lettres de Toulouse - Académie des sciences, inscriptions et belles-lettres de Toulouse. (1844)

Memoires de l'Academie (Royale) des Sciences, Inscriptions et Belles-Lettres de Toulouse - Académie des sciences, inscriptions et belles-lettres de Toulouse. (1888)

Memoires de la Société Academique de Maine et Loire - Société Academique de Maine et Loire. (1857)

Memoires de la Société Academique de Maine et Loire - Société Academique de Maine et Loire. (1859)

Memoires de la Société d'Agriculture, Sciences et Arts d'Angers - Société d'Agriculture Sciences et Arts d'Angers. (1885)

Mémoires de la Société d'émulation du Doubs - Société d'émulation du Doubs. ([La Société])

Mémoires de la Société d'émulation du Doubs - Société d'émulation du Doubs. ([La Société], 1896)

Mémoires de la Société d'Histoire Naturelle de Paris - Société d'Histoire Naturelle de Paris (1827)

Mémoires de la Société des Sciences Naturelles et Medicales de Seine-et-Oise - Société des sciences naturelles et medicales de Seine-et-Oise. (1835)

Memoires de la Société (Royale) d'Emulation d'Abbeville - Société royale d'émulation d'Abbeville. (Société d'Emulation d'Abbeville, 1833)

Memoires de la Société (Royale) des sciences, de l'agriculture et des arts à Lille - Société des sciences de l'agriculture et des arts de Lille (Société (Royale) des sciences, de l'agriculture et des arts à Lille, 1854)

Mémoires du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (G. Dufour, 1815)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1961)

Mémoires présentés à l'Académie impériale des Sciences de St. Petersbourg par divers Savans et dans ses assemblées - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1849)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1913)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1911)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1914)

Memoirs of the National Museum of Victoria - National Museum of Victoria (National Museum of Victoria, 1966)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 2008)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1893)

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. (1892)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1911)

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 dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1890)

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, 1906)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1911)

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

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

Menzies' journal of Vancouver's voyage, April to October, 1792 - Newcombe, C. F. 1851 -1924 (Printed by W.H. Cullin, 1923)

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 foliorum, seu plantae florae Monspeliensis, juxta foliorum ordinem, ad juvandam specierum cognitionem, digestae ... Methode pour connoître les plantes par les feüilles - Boissier de la Croix de Sauvages, François, 1706 -1767 (1751)

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

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 (Verlag des Bibliographischen Instituts, 1890)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1981)

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

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, 1991)

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

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)

The microbiology of the atmosphere - Gregory, Philip Herries. (L. Hill, 1961)

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

Mikrogeologie : das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbständigen Lebens auf der Erde - Ehrenberg, Christian Gottfried, 1795 -1876 (L. Voss, 1854)

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

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

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

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

Mitteilungen der Kaiserlich-Königlichen Geographischen Gesellschaft - Kaiserlich-Königliche Geographische Gesellschaft. (1860)

Mitteilungen des Thüringischen Botanischen Vereins. n. F - Thüringische Botanische Gesellschaft. (Im Selbstverlag des Vereins, 1897)

Mitteilungen des Thüringischen Botanischen Vereins. n. F - Thüringische Botanische Gesellschaft. (Im Selbstverlag des Vereins, 1906)

Mitteilungen des Thüringischen Botanischen Vereins. n. F - Thüringische Botanische Gesellschaft. (Im Selbstverlag des Vereins, 1910)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1875)

Molluscan Research - Malacological Society of Australia (Malacological Society of Australia, 1998)

Monatsschrift für Kakteenkunde (J. Neumann, 1912)

Monographiæ phanerogamarum : Prodromi nunc continuatio, nunc revisio - Candolle, Alphonse de, 1806 -1893 (vol.1-8, G. Masson ; vol.9, Masson & Cie, 1881)

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 (D. Appleton, 1903)

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

Morphology of the angiosperms - Eames, Arthur J., 1881 -1969 (McGraw-Hill, 1961)

Mosses and lichens collected in the former Danish West Indies - Børgesen, Frederik, 1866 -1956 (Hagerup, 1918)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1979)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1993)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1995)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1999)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 2000)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 2008)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 2012)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1905)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1913)

Museum naturalium Academiae upsaliensis cujus partem primam [-XXXIII, ultimam] - Thunberg, Carl Peter, 1743 -1828 (Typis Edmannianis, 1792)

Mycotrophy in plants; lectures on the biology of mycorrhizae and related structures - Kelley, Arthur Pierson, 1897 -1979 (Chronica Botanica Co, 1950)

Die Mysterien der Europäischen Insectenwelt. Ein geheimer Schlüssel für Sammler aller Insectenordnungen und Stände, behufs des Fangs, des Aufenthalts-orts, der Wohnung, Tag- und Jahreszeit ... - Gistel, Johannes, 1809 - (Druck und Verlag von Tobias Dannheimer, 1856)

Názorná kvĕtena zemí koruny c̆eské, obsahujíci téz̆ c̆elnĕjs̆í rostliny cizozemské, pĕstované u nás pro uz̆itek a okrasu, se zvlás̆tním zr̆etelem k zjevům z̆ivotním - Polivka, František, 1923 (Nákl. R. Prombergra, 1904)

Názorná kvĕtena zemí koruny c̆eské, obsahujíci téz̆ c̆elnĕjs̆í rostliny cizozemské, pĕstované u nás pro uz̆itek a okrasu, se zvlás̆tním zr̆etelem k zjevům z̆ivotním - Polivka, František, 1923 (Nákl. R. Prombergra, 1902)

[The Naiadaceae of North America] - Morong, Thomas, (Torrey Botanical Club, 1893)

Narrative of a journey to the shores of the polar sea, in the years 1819, 20, 21, and 22 - Franklin, John, Sir, 1786 -1847 (J. Murray, 1823)

National list of scientific plant names - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service, 1982)