A manual of the North American gymnosperms exclusive of the cycadales but together with certain exotic species - Penhallow, D. P. (David Pearce), 1854 -1910 (Ginn & Co, 1907)

A manual of the North American gymnosperms, exclusive of the cycadales but together with certain exotic species - Penhallow, D. P. (David Pearce), 1854 -1910 (Ginn, 1907)

A manual of the timbers of the world : their characteristics and uses : to which is appended an account by S. Fitzgerald of the artificial seasoning of timber - Howard, Alexander Liddon, 1863 -1946 (Macmillan, 1920)

A manual of the timbers of the world; their characteristics and uses, to which is appended an account by S. Fitzgerald of the artificial seasoning of timber - Howard, Alexander Liddon, 1863 -1946 (Macmillan, 1920)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1905)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, 1905)

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

Manuel complet du jardinier, maraicher, pépiniériste, botaniste, fleuriste et paysagiste - Noisette, Louis, 1772 -1849 (Rousselon, 1835)

Manuel complet du jardinier, maraicher, pépiniériste, botaniste, fleuriste et paysagiste - Noisette, Louis, 1772 -1849 (Rousselon, 1827)

Manuel économique des plantes, ou, Traité de toutes les plantes qui peuvent être utiles aux arts ... - Buchoz, Pierre Joseph, 1731 -1807 (Chez l'Auteur [and 2 others], 1800)

Map of timbered areas extending from Thebes to Chester, Illinois - Miller, Robert Barclay. (Illinois Natural History Survey, 1923)

Maryland naturalist - Natural History Society of Maryland (The Society, 1953)

Maryland naturalist - Natural History Society of Maryland (The Society, 2007)

Maryland naturalist - Natural History Society of Maryland (The Society, 2001)

Materia medica and therapeutics, an introduction to the rational treatment of disease - Bruce, J. Mitchell (John Mitchell), 1846 -1929 (Cassell, 1884)

Materia medica and therapeutics vegetable kingdom - King's College London. (J. & A. Churchill, 1874)

Materia medica of vegetable and animal origin with notes on the pharmacy of official drugs - Humphrey, John, 1862 - (Henry Kimpton, 1907)

Materica medica of India and their therapeutics - Katrak, Nanabhai Navrosji. (Printed at the "Times of India" Press, 1903)

Meals medicinal : with "herbal simples, " (of edible parts) curative foods from the cook ; in place of drugs from the chemist - Fernie, William Thomas, 1830 - (J. Wright, 1905)

Meals medicinal :with "herbal simples, " (of edible parts) curative foods from the cook ; in place of drugs from the chemist - Fernie, William Thomas, 1830 - (J. Wright, 1905)

Meals medicinal with "herbal simples" (of edible parts) : curative foods from the cook in place of drugs from the chemist - Fernie, William Thomas, 1830 - (John Wright, 1905)

Medical botany; or, Descriptions of the more important plants used in medicine, with their history, properties, and mode of administration - Griffith, R. Eglesfeld (Robert Eglesfeld), 1798 -1850 (Lea and Blanchard, 1847)

Medicinal plants : an illustrated and descriptive guide to plants indigenous to and naturalized in the United States which are used in medicine, their description, origin, history, preparation, chemistry and physiological effects fully described ... - Millspaugh, Charles Frederick, 1854 -1923 (J.C. Yorston, 1892)

Medicinal plants. Being descriptions with original figures of the principal plants employed in medicine and an account of the characters, properties, and uses of their parts and products of medicinal value - Trimen, Henry, 1843 -1896 (J. & A. Churchill, 1880)

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

A medico-botanical catalogue of the plants and ferns of St. John's, Berkly, South-Carolina - Porcher, Francis Peyre, 1825 -1895 ([s.n.], 1847)

Meehan's monthly : a magazine of horticulture, botany, and kindred subjects (T. Meehan & Sons, 1891)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1899)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1901)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1902)

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Memoir of W. H. Harvey : M.D., F.R.S., etc., etc., late professor of botany, Trinity College, Dublin. with selections from his journal and correspondence - Harvey, William H. (William Henry), 1811 -1866 (Bell and Daldy, 1869)

Mémoire sur la naturalisation des arbres forestiers de l'Amérique Septentrionale, dans lequel on indique ce que l'ancien gouvernement avoit fait pour arriver à ce but, et les moyens qu'il conviendroit d'employer pour y parvenir; suivi d'un tableau raisonné des arbres de ce pays comparés avec ceux qui produit la France - Cels, Jacques-Martin, 1743 -1806 (Chez Levrault, Schoel et compagnie, rue de Seine, faubourg Saint-Germain, Hotel de la Rochefoucault, an XIII, 1805)

Mémoires du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (G. Dufour, 1822)

Mémoires du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (G. Dufour, 1825)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1958)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1893)

Memoria sobre la parte forestal de la Exposicion de Lóndres de 1862 - Bosch y Juliá, Miguel, 1818 -1879 (Imprenta nacional, 1863)

Memorias da Academia Real das Sciencias de Lisboa - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1837)

mian xiang 21 shi ji de zhong guo sheng wu duo yang xing bao hu - Xu, Zhihong (zhong guo lin ye chu ban she, 2000)

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Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1906)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1909)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1912)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1921)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1900)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1881)

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten und der Gesellschaft der Gartenfreunde Berlins - Gesellschaft des Gartenfreunde Berlins. (P. Parey [etc.], 1879)

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten für Gärtnerei und Pflanzenkunde - Verein zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten. (In Kommission bei Wiegandt, Hempel & Parey [etc.], 1873)

A monograph of the coleopterous families Corylophidae and Sphaeriidae - Mason, Philip B. (O.E. Janson, 1899)

Monthly letter - United States. Bureau of Entomology. (1925)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1924)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1931)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1938)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1946)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1949)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1959)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1962)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1963)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1993)

Museum of Economic Botany, Kew. Specimens distributed 1901-1990 - Royal Botanic Gardens, Kew. (1987)

My garden and what to grow. No. 168 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C. Starke & Co. Ltd, 1935)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1909)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1914)

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, 1920)

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

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

Mycologia - New York Botanical Garden (New York Botanical Garden, 1923)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1926)

Mycologisches Centralblatt = Mycological review = Revue mycologique = Revista micologica : Zeitschrift für allgemeine und angewandte Mycologie : Organ für wissenschaftliche Forschung auf den Gebieten der allgemeinen Mycologie, Gärungschemie und technischen Mycologie - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1912)

Mycologisches Centralblatt = Mycological review = Revue mycologique = Revista micologica : Zeitschrift für allgemeine und angewandte Mycologie : Organ für wissenschaftliche Forschung auf den Gebieten der allgemeinen Mycologie, Gärungschemie und technischen Mycologie - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1913)

Mycologisches Centralblatt = Mycological review = Revue mycologique = Revista micologica : Zeitschrift für allgemeine und angewandte Mycologie : Organ für wissenschaftliche Forschung auf den Gebieten der allgemeinen Mycologie, Gärungschemie und technischen Mycologie - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1914)

Mycotaxon (Mycotaxon, 1979)

Mycotaxon (Mycotaxon, 1984)

Mycotaxon (Mycotaxon, 1986)

Mycotaxon (Mycotaxon, 1988)

Mycotaxon (Mycotaxon, 1990)

Mycotaxon (Mycotaxon, 1992)

Mycotaxon (Mycotaxon, 1994)

Mycotaxon (Mycotaxon, 2000)

Die Nadelhölzer : mit besonderer Berücksichtigung der in Mitteleuropa winterharten Arten : eine Einführung in die Nadelholzkunde für Landschaftsgärtner, Gartenfreunde und Forstleute - Tubeuf, Carl, Freiherr von, 1862 -1941 (Verlag von E. Ulmer, 1897)

Die Nadelhölzer (Koniferen) und übrigen Gymnospermen - Neger, Franz Wilhelm, 1868 -1923 (G.J. Göschen, 1907)

Narrative of a voyage round the world : performed in Her Majesty's ship Sulphur, during the years 1836-1842, including details of the naval operations in China, from Dec. 1840, to Nov. 1841 ; published under the authority of the lords commissioners of the Admiralty - Belcher, Edward, Sir, 1799 -1877 (Henry Colburn, 1843)

Narrative of a voyage round the world performed in Her Majesty's ship Sulphur, during the years 1836-1842, including details of the naval operations in China, from Dec. 1840 to Nov. 1841 - Belcher, Edward, Sir, 1799 -1877 (H. Colburn, 1843)

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The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1913)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1915)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1916)

Native woody plants of the United States : their erosion-control and wildlife values - Mulford, Furman Lloyd, 1869 - (U.S. Dept. of Agriculture, 1938)