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)

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

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

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Mémoires de la Société nationale des sciences naturelles de Cherbourg - Société nationale des sciences naturelles de Cherbourg. (J.B. Bailli et fils, 1875)

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

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], 1898)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1909)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1910)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1911)

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], 1920)

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)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1890)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1888)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1887)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1896)

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, 1925)

Medicinisch-pharmaceutische Botanik :ein Handbuch für Deutschlands Aerzte und Pharmaceuten - Bischoff, Gottlieb Wilhelm, 1797 -1854 (F. Enke, 1843)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1861)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1872)

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

Mémoires sur les lépidoptères - Grum-Grzhimailo, G. E. 1860 -1936 (Imprimerie de M.M. Stassuléwitch, 1901)

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Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1880)

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, 1882)

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, 1892)

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

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

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Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1903)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1902)

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A monograph of the British Uredineae and Ustilagineae, with an account of their biology including the methods of observing the germination of their spores and of their experimental culture - Plowright, Charles B. (Charles Bagge), 1849 -1910 (K. Paul, Trench, 1889)

A monograph of the British Uredineæ and Ustilagineæ, with an account of their biology including the methods of observing the germination of their spores and of their experimental culture - Plowright, Charles B. (Charles Bagge), 1849 -1910 (K. Paul, Trench, 1889)

The moths of the British Isles - South, Richard, 1846 -1932 (F. Warne, 1900)

The moths of the British Isles - South, Richard, 1846 -1932 (Frederick Warne & Co, 1920)

The moths of the British Isles - South, Richard, 1846 -1932 (F. Warne & Co, 1909)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 2007)

Münchner koleopterologische Zeitschrift (Verlag der Redaction, 1908)

Mutation et traumatismes - Blaringhem, Louis, 1878 -1958 (Bulletin scientifique de la France et de la Belgique, 1907)

My garden and yours - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lydia Marshall Green, 1933)

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)

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Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2009)

A natural arrangement of British plants : according to their relations to each other as pointed out by Jussieu, De Candolle, Brown, &c - Gray, Samuel Frederick, 1766 -1828 (Baldwin, Cradock, and Joy, 1821)

The naturalisation of animals & plants in New Zealand - Thomson, George Malcolm 1848 -1933 (University Press, 1922)

The naturalisation of animals & plants in New Zealand - Thomson, George Malcolm 1848 -1933 (The University Press, 1922)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1866)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1886)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1888)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1889)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1892)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1894)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1895)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1896)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1899)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1900)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1902)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1903)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1907)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1911)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1916)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1921)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1946)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1951)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1989)

The naturalist in Norway : or, Notes on the wild animals, birds, fishes, and plants of that country ... - Bowden, John, Rev. (L. Reeve & Co, 1869)

The naturalist's diary: a day-book of meteorology, phenology and rural biology. With a chart showing the blossoming of spring flowers in Europe, and an introduction of natural periodic phenomena, etc. 188 - Roberts, Charles, Dec 31 1901 (Sonnenschein, Le Bas and Lowrey, 1886)

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Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1901)

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The nature book; a popular description by pen and camera of the delights and beauties of the open air (Cassell, 1908)

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Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1916)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1918)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1921)

Naturhistoriske bidrag til en beskrivelse af Grønland - Reinhardt, J. (Johannes), 1816 -1882 (L. Kleins bogtrykkeri, 1857)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)