The lower fungi Phycomycetes - Fitzpatrick, Harry Morton, 1886 -1949 (McGraw-Hill, 1930)

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, 2011)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2014)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1951)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1973)

Makers of British botany; a collection of biographies by living botanists - Oliver, Francis Wall, 1864 - (University press, 1913)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1892)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (H. Frowde, 1913)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (H. Frowde, Hodder & Stoughton, 1919)

Manual of bacteriology - Crookshank, Edgar M. (Edgar March), 1858 -1928 (H.K. Lewis, 1890)

Manual of bacteriology - Crookshank, Edgar M. (Edgar March), 1858 -1928 (Lewis, 1887)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (Macmillan, 1913)

A manual of bacteriology, clinical and applied - Royal College of Physicians of Edinburgh. (J. & A. Churchill, 1914)

A manual of bacteriology, clinical and applied - Hewlett, R. Tanner (Richard Tanner), 1865 -1940 (J. & A. Churchill, 1921)

A manual of bacteriology clinical and applied - Hewlett, R. Tanner (Richard Tanner), 1865 -1940 (C. V. Mosby company, 1914)

A manual of botany - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (J. & A. Churchill, 1895)

A manual of botany for Indian forest students - Hole, R. S. (Superintendent Government Printing, India, 1909)

A manual of botany including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (J & A. Churchill, 1887)

A manual of cryptogamic botany : adapted to the requirements of the Science and Art Department - Ross, Charlotte M. W. (Ross, 1894)

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 (Torch Press, 1910)

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, 1910)

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 New Zealand Coleoptera - Broun, Thomas. 1838 -1919 (1880)

Manual of tropical medicine - Chalmers, Albert John, 1870 -1920 (Baillière, Tindall and Cox, 1919)

Marine flora and fauna of the northeastern United States Sipuncula - United States. National Marine Fisheries Service. (Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1977)

Marine flora and fauna of the northeastern United States. Ascomycetes, Deuteromycetes, and Basidiomycetes Higher fungi - United States. National Marine Fisheries Service. (National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1977)

Marine flora and fauna of the Northeastern United States. Cyclopoids parasitic on fishes Copepoda - United States. National Marine Fisheries Service. (Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1978)

Marine flora and fauna of the northeastern United States. Harpacticoida Copepoda - United States. National Marine Fisheries Service. (Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service], 1977)

Marine flora and fauna of the northeastern United States : lichens (Ascomycetes) of the intertidal region - United States. National Marine Fisheries Service. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1982)

Marine flora and fauna of the Northeastern United States. Lernaeopodidae and Sphyriidae Copepoda - United States. National Marine Fisheries Service. (Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1977)

Marine flora and fauna of the northeastern United States. Sarcodina : amoebae Protozoa - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1979)

Marine microbiology, a monograph on hydrobacteriology - ZoBell, Claude E., 1904 -1989 (Chronica Botanica Company, 1946)

Maryland naturalist - Natural History Society of Maryland (The Society, 1987)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1898)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1879)

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], 1886)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1887)

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

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1900)

Medical mycology; fungous diseases of men and other mammals - Dodge, Carroll W. (Carroll William), 1895 -1988 (The C.V. Mosby company, 1935)

Medicinalflora : eine Einführung in die allgemeine und angewandte Morphologie und Systematik der Pflanzen, mit besonderer Rücksicht auf das Selbststudium für Pharmaceuten, Mediciner und Studirende - Müller, Carl, 1855 -1907 (J. Springer, 1890)

Medicinisch-pharmaceutische botanik zugleich als handbuch der systematischen botanik fur botaniker, arzte und apotheker - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1868)

Mémoires de la Société des Sciences Naturelles de Neuchâtel - Société des sciences naturelles de Neuchâtel (1914)

Mémoires de la Société géologique de France Paléontologie - Société géologique de France. (Libraire polytechnique Baudry, 1910)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1980)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1981)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1908)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1909)

Memoirs of the National Academy of Sciences - National Academy of Sciences (U.S.) (Government Printing Office, 1926)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1931)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1958)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1888)

Memórias do Museu Goeldi (Museu Paraense) de História Natural e Ethnographia (O Museu, 1896)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (The University of Chicago press, 1924)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (University of Chicago Press, 1932)

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, 1964)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1967)

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

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1972)

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

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1977)