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

Monographie des céréales de la Suisse; ou Description des blés, seigle, orges, avoines, mais, millets, cultivés en Suisse, leurs maladies et leurs usages économiques - Seringe, N. C. (Nicolas Charles), 1776 -1858 (Chez l'auteur, 1818)

Monographie des prêles - Vaucher, Jean-Pierre, 1763 -1841 (J. J. Paschoud, 1822)

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, 1872)

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)

Monthly report of the Department of Agriculture ... - United States. Dept. of Agriculture. Division of Statistics. (G.P.O, 1863)

Moore's rural New-Yorker - Moore, D. D. T. (D.D.T. Moore, 1850)

More letters of Charles Darwin : a record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1903)

More letters of Charles Darwin : a record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (J. Murray, 1903)

More letters of Charles Darwin. A record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (J. Murray, 1903)

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)

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)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1900)

Musée helvétique d'histoire naturelle, ou, Collection de mémoires, monographies, notices botaniques. tome I, (Partie botanique) - Seringe, N. C. (Nicolas Charles), 1776 -1858 (Chez l'auteur, 1823)

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

My garden, its plan and culture together with a general description of its geology, botany, and natural history - Smee, Alfred, 1818 -1877 (Bell and Daldy, 1872)

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, 1909)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1910)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1911)

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, 1915)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1916)

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

Mycologia - New York Botanical Garden (New York Botanical Garden, 1918)

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)