Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1819)

Laboratory outlines in plant pathology - Hesler, L. R. 1888 -1977 (The authors, 1916)

Laminated root rot : a guide for reducing and preventing losses in Oregon and Washington forests - United States. Forest Service. Pacific Northwest Region. (Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1977)

Laminated root rot : a guide for reducing and preventing losses in Oregon and Washington forests - United States. Forest Service. Pacific Northwest Region. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1985)

Laminated root rot of Douglas-fir - United States. Forest Service. (Dept. of Agriculture, Forest Service, 1960)

Laminated root rot of Douglas-fir in western Oregon and Washington - Childs, T. W. (Thomas White), 1908 - (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1970)

Laminated root rot of western conifers - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1981)

Leaflets of Philippine botany (Oriental Printing Co, 1913)

Lehrbuch der Petrographie - Zirkel, Ferdinand, 1838 -1912 (Engelmann, 1893)

Lehrbuch der pilzparasitären Pflanzenkrankheiten mit besonderer Berücksichtigung der Krankheiten gärtnerischer Kulturgewächse - Höstermann, Gustav (P. Parey, 1923)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1950)

Lethaea geognostica oder Abbildungen und Beschreibungen der für die Gebirgs-Formationen bezeichnendsten Versteinerungen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (1835)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1951)

List of genera in Patouillard herbarium - Patouillard, N. (Narcisse), 1854 -1926 (1930)

The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling News Litho. Co, 1913)

Losses from decay in 40- to 120- year old Oregon and Washington western hemlock stands - Goheen, D. J. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1980)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1856)

The luminescence of biological systems; proceedings of the conference on luminescence, March 28-April 2, 1954, sponsored by the Committee on Photobiology of the National Academy of Sciences-National Research Council and supported by the National Science Foundation - National Research Council (U.S.). Committee on Photobiology. (American Association for the Advancement of Science, 1955)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2017)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1965)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1904)

Maintaining cultures of wood-rotting fungi - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985)

Malaya botanical exploration - Botanic Gardens (Singapore) (1930)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1888)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1893)

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

Manual of botany, for North America : containing generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of the Gulf of Mexico - Eaton, Amos, 1776 -1842 (Printed by Websters and Skinners, 1829)

Manual of tree diseases - Rankin, William Howard, 1888 - (The Macmillan Company, 1918)

Material for a bibliography of North American mammals - Coues, Elliott, 1842 -1899 (G.P.O, 1877)

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], 1881)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1893)

Mededeelingen uit den Cultuurtuin - Instituut voor Plantenziekten en Cultures. (Drukkerij Dep. v. L.N. en H, 1913)

Mededeelingen van de Ned. Mycologische Vereeniging - Nederlandse Mycologische Vereniging. (Der Vereeniging, 1910)

Mededeelingen van het Laboratorium voor Plantenziekten - Laboratorium voor Plantenziekten. (Drukkerij van het Departement, 1914)

Mededeelingen van 's Rijks Herbarium - Rijksherbarium (Netherlands) ([Rijks Universiteit, Rijks Herbarium], 1910)

Mélanges de Philosophie et de Mathématique de la Société Royale de Turin - Société Royale de Turin. (1766)

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

Mémoires du Muséum national d'histoire naturelle Série A Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1967)

Memoirs of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (The Academy, 1868)

Memorias da Academia Real das Sciencias de Lisboa - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1827)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1827)

Memorie sulla storia e notomia degli animali senza vertebre del regno di Napoli - Delle Chiaie, S. (Stefano), 1794 -1860 (Dalla stamperia de' Fratelli Fernandes, 1825)

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

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1881)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1968)

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

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

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1913)

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

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1922)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1935)

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

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1996)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1998)

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

Monitoring forest land from high altitude and from space : final report, 30 September 1972 - Pacific Southwest Forest; Range Experiment Station (Berkeley, Calif.) (Forestry Remote Sensing Laboratory, School of Forestry and Conservation, University of California, 1972)

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, 1925)

Morphology and taxonomy of fungi - Bessey, Ernst Athearn, 1877 -1957 (Blakiston, 1950)

Moulds, mildews, and mushrooms; a guide to the systematic study of the Fungi and Mycetozoa and their literature - Underwood, Lucien Marcus, 1853 -1907 (H. Holt & co, 1899)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1975)

Musée entomologique illustré : histoire naturelle iconographique des insectes : publiée par une réunion d'entomologistes français et étrangers - Bisson-Cottard (Firm) (Rothschild, 1877)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

Museum bulletin - New York State Museum. (University of the State of New York, 1915)

Mycographie suisse, ou, Description des champignons qui croissent en Suisse, particulie`rement dans le canton de Vaud, aux environs de Lausanne - Secretan, Louis, 1758 -1839 (Impr. de P.A. Bonnant, 1833)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1912)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1913)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1917)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1919)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1920)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1921)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1922)

The mycologic flora of the Miami Valley, Ohio - Morgan, A. P., 1836 -1906 (s.n, 1883)

Mycological writings of C. G. Lloyd - Lloyd, C. G. (Curtis Gates), 1859 -1926 (1898)

Mycological writings of C. G. Lloyd - Lloyd, C. G. (Curtis Gates), 1859 -1926 (1901)