London Naturalist - London Natural History Society. (London Natural History Society, 2003)

London Naturalist - London Natural History Society. (London Natural History Society, 2004)

London Naturalist - London Natural History Society. (London Natural History Society, 2006)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1858)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1859)

Luft-, Boden- und Pflanzenkunde in ihrer Anwendung auf Forstwirtschaft und Gartenbau - Hartig, Theodor, 1805 -1880 (Gotta, 1877)

Lunds universitets års-skrift. Acta Universitatis Lundensis - Lunds universitet. (Universitetet, 1889)

Lyhykäinen kasvioppi ja kasvio - Mela, A. J. (Aukusti Juhana), 1846 -1904 (Suomalaisen Kirjallisuuden Seuran Kirjapainossa, 1877)

Lyon-horticole - Association horticole lyonnaise. (Impr. du Salut public, 1883)

M.A. Curtis and John Torrey correspondence, 1833-1851 - Curtis, M. A. (Moses Ashley), 1808 -1872 (1836)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1912)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1840)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1903)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1907)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1911)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1912)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1913)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1915)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1917)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1899)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1906)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1908)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1909)

The management of grass land, laying down grass, artificial grasses, etc - Roland, Arthur. (Chapman & Hall, 1887)

The Manchester flora : a descriptive list of the plants growing wild within eighteen miles of Manchester, with notices of the plants commonly cultivated in gardens ; preceded by an introduction to botany - Grindon, Leo H. (Leo Hartley), 1818 -1904 (William White, 1859)

Manual of British botany : containing the flowering plants and ferns arranged according to natural orders - Babington, Charles Cardale, 1808 -1895 (J. van Voorst, 1843)

Manual of British botany, containing the flowering plants and ferns. Arranged according to the natural orders - Babington, Charles Cardale, 1808 -1895 (J. Van Voorst, 1856)

Manual of British botany : in which the orders and genera are arranged and described according to the natural system of De Candolle ; with a series of analytical tables for the assistance of the student in the examination of the plants indigenous to, or commonly cultivated in, Great Britain - Royal College of Physicians of London. (John Churchill, 1837)

Manual of British grasses - Gordon, W. J. (Simpkin, Marshall, Hamilton, Kent, 1907)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1896)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1907)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1908)

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 (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 botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, & co, 1867)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman & co, 1866)

Manual of the botany of the northern United States : including the district east of the Mississippi, and north of North Carolina and Tennessee - Coulter, John Merle, 1851 -1928 (American Book Company, 1889)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1867)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1868)

Manual of the botany of the northern United States : including Virginia, Kentucky, and all east of the Mississippi - Gray, Asa, 1810 -1888 (Ivison, Phinney, 1863)

Manual of the botany of the northern United States, including the district east of the Mississippi, and north of North Carolina and Tennessee - Coulter, John Merle, 1851 -1928 (Iverson, Blakeman, 1889)

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

Manual of the grasses of the United States - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1935)

Manual of the grasses of the United States - Hitchcock, A. S. (Albert Spear), 1865 -1935 (U.S. G.P.O, 1935)

Manual of the grasses of the United States - Chase, Agnes, 1869 -1963 (U.S. Dept. of Agriculture, 1951)

Manual of the natural history, geology, and physics of Greenland, and the neighboring regions : prepared for the use of the Arctic Expedition of 1875, under the direction of the Arctic Committee of the Royal Society, for the use of the expedition ; published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (H.M. Stationery Off., printed by G.E. Eyre and W. Spottiswoode, 1875)

Manual of the natural history, geology and physics of Greenland and the neighbouring regions / prepared for the use of the Arctic expedition of 1875, under the direction of the Arctic Committee of the Royal Society and edited by T. Rupert Jones. Together with Instructions suggested by the Arctic Committee of the Royal Society for the use of the expedition / published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (Printed for H.M.S.O, 1875)

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

Manuel de la flore de Belgique - Crépin, François, 1830 -1903 (G. Mayolez, 1884)

Maryland naturalist - Natural History Society of Maryland (The Society, 1998)

Mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Impr. de l'Universitmpale, 1806)

Mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Impr. de l'Universitmpale, 1811)

Mémoires de la Société nationale des sciences naturelles de Cherbourg - Société nationale des sciences naturelles de Cherbourg. (J.B. Bailli et fils, 1873)

Mémoires de la Société nationale des sciences naturelles de Cherbourg - Société nationale des sciences naturelles de Cherbourg. (J.B. Bailli et fils, 1876)

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Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1878)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1880)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1881)

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

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1888)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1896)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1906)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1913)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1915)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1917)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1918)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1919)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1921)

Meddelanden från Statens Skogsförsöksanstalt = Mitteilungen aus der Forstlichen Versuchsanstalt Schwedens - Statens Skogsförsöksanstalt (Sweden) (Centraltryckeriet, 1916)

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

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1849)

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], 1835)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1879)

Memoires de l'Academie (Royale) des Sciences, Inscriptions et Belles-Lettres de Toulouse - Académie des sciences, inscriptions et belles-lettres de Toulouse. (1895)

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], 1902)

Mémoires de la Société Royale (Nationale) Académique de Cherbourg - Société Royale (Nationale Académique de Cherbourg) (Société Royale (Nationale) Académique de Cherbourg, 1847)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1918)

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

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

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1900)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1921)

Memoria premiada sobre la distribucion geografica de las plantas coneíferas, leguminosas, rosaceas, salsolaceas, amentáceas, coníferas y gramineas de la Península Ibérica - Amo y Mora, Mariano del, 1820 -1896 (Aguado, 1861)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1861)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1903)

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

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Merveilles de la nature : les insectes, les myriopodes, les arachnides et les crustaces - Brehm, Alfred Edmund, 1829 -1884 (J.-B. Baillière et Fils, 49 rue Hautefeuille, près du boulevard Saint-Germain, 1882)

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

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1974)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1976)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1980)

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

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, 1992)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1995)

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