The medicinal, poisonous, and dietetic properties of the cryptogamic plants of the United States : being a report made to the American Medical Association at its sessions held in Richmond, Va., and St. Louis, Mo - Porcher, Francis Peyre, 1825 -1895 ([s.n.], 1854)

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)

Mémoire sur les coralliaires des Antilles - Duchassaing de Fonbressin, Placide, 1819 -1873 (De l'imprimerie royale, 1860)

Mémoire sur les coralliaires des Antilles - Duchassaing de Fonbressin, Placide, 1819 -1873 (De l'imprimerie royale, 1864)

Memoires de l'Academie des Sciences, Agriculture, Arts et Belles-Lettres (Aix) - Académie des sciences, agriculture, arts & belles-lettres dAix (1844)

Mémoires de l'Académie des Sciences, Littérature et Beaux-Arts de Turin : Sciences Physiques et Mathématiques - Reale accademia delle scienze di Torino (Imprimerie de l'Académie Impériale des Sciences, 1802)

Mémoires de l'Académie Impériale des Sciences, Littérature et Beaux-Arts de Turin : Sciences Physiques et Mathématiques - Reale accademia delle scienze di Torino (Imprimerie de l'Académie Impériale des Sciences, 1804)

Mémoires de l'Académie Impériale des Sciences, Littérature et Beaux-Arts de Turin : Sciences Physiques et Mathématiques - Reale accademia delle scienze di Torino (Imprimerie de l'Académie Impériale des Sciences, 1805)

Mémoires de l'Académie royale des sciences (Paris) - Académie royale des sciences (France) (1761)

Mémoires de 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. (1847)

Mémoires de 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. (1849)

Memoires de l'Academie Royale des Sciences (Turin) - Reale accademia delle scienze di Torino (1790)

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, 1827)

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, 1843)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1888)

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

Mémoires du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (G. Dufour, 1820)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Muséum, 1936)

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

Mémoires pour servir a l'histoire physique et naturelle de la Suisse - Reynier, L. 1762 -1824 (Chez J. Mourer, 1788)

Memoirs of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (The Academy, 1809)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1880)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1882)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1902)

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

Memoirs of the Wernerian Natural History Society - Wernerian Natural History Society. ([The Society], 1822)

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, 1850)

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

Memorias sobre la historia natural de la isla de Cuba, acompañadas de sumarios latinos y extractos en frances - Poey, Felipe, 1799 -1891 (Impr. de Barcina, 1856)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1887)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1852)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1861)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1866)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1873)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1807)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1823)

El Mercurio Chileno (1829)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin, 1885)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (James R. Osgood and Co, 1874)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin and Company, 1886)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Ticknor and Fields, 1863)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin, 1889)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Fields, Osgood, & Co, 1869)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Ticknor and Fields, 1864)

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 : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1877)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1963)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1964)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1965)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1966)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1970)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1973)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2005)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2007)

Micoflora Domingensis : lista de los hongos hasta la fecha indicados en Santo Domingo - Ciferri, Raffaele (Impr. J.R. Vda. García, Sucesores, 1929)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. & A. Churchill, 1875)

The microscope, and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1856)

The microscopic miscellany; being selections from the Microscopic journal, containing the most recent facts, and important discoveries in human and comparative anatomy, zoology, botany, etc. developed by British and foreign microscopical observers - Cooper, D. (Daniel) (1847)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1883)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1886)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1891)

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

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1903)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1904)

Minnesota mushrooms - Geological; Natural History Survey of Minnesota. (University of Minnesota, 1910)

Minnesota plant diseases - Freeman, Edward Monroe, 1875 - (1905)

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

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1923)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1951)

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, 1973)

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

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1846)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1865)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1870)

mo gu zhai pei 蘑菇栽培 - sheng yang nong xue yuan gu lei jun zhong fan zhi chang 沈阳农学院菇类菌种繁殖场 (nong ye chu ban she 农业出版社, 1959)

Modern nature study : a first book for use in Canadian schools - Silcox, S. (Morang & Co, 1902)

Le Monde des plantes - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1895)

Monograph of the British Cicadae or Tettigidae - Buckton, George Bowdler, 1817 -1905 (Macmillan & Co, 1891)

Monograph of the land & freshwater Mollusca of the British Isles - Roebuck, William Denison, 1851 -1919 (Taylor Brothers, 1894)

Monograph of the land & freshwater Mollusca of the British isles - Roebuck, William Denison, 1851 -1919 (Taylor brothers, 1907)

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)

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, 1911)

A monograph of the seal-islands of Alaska - Elliott, Henry Wood, 1846 -1930 (Govt. Print. Off, 1882)

Monographia uredinearum : seu specierum omnium ad hunc usque diem cognitarum descriptio et adumbratio systematica - Sydow, P. (Paul), 1851 -1925 (Fratres Borntraeger, 1904)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1874)

Morphologie und Physiologie der Pilze, Flechten und Myxomyceten - Bary, A. de (Anton), 1831 -1888 (W. Engelmann, 1866)

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