The mammals and life zones of Oregon - Bailey, Vernon, 1864 -1942 ([U.S. Govt. Print. Off.], 1936)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1908)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1904)

Manual of British botany, containing the flowering plants and ferns arranged according to the natural orders - Babington, Charles Cardale, 1808 -1895 (J. Van Voorst, 1862)

Manual of British botany, containing the flowering plants and ferns arranged according to the natural orders - Babington, Charles Cardale, 1808 -1895 (Gurney and Jackson, 1922)

Manual of British botany, containing the flowering plants and ferns arranged according to the natural orders - Babington, Charles Cardale, 1808 -1895 (J. Van Voorst, 1874)

A manual of materia medica and therapeutics including the preparations of the British pharmacopoeia (1867), and many other approved medicines - Royle, J. Forbes (John Forbes), 1798 -1858 (John Churchill & Sons, 1868)

A manual of materia medica and therapeutics including the preparations of the pharmacopoeias of London, Edinburgh, and Dublin, with other approved medicines - Royle, J. Forbes (John Forbes), 1798 -1858 (John Churchill, 1856)

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 (The Torch Press, 1911)

A manual of structural botany; an introductory textbook for students of science and pharmacy - Rusby, Henry Hurd, 1855 -1940 (Lea & Febiger, 1911)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Phinney, 1862)

A manual of the botany of the northern United States, from New England to Wisconsin and south to Ohio and Pennsylvania inclusive, (the mosses and liverworts by Wm. S. Sullivant,) arranged according to the natural system - Gray, Asa, 1810 -1888 (J. Munroe, 1848)

Manual of the botany of the northern United States : including Virginia, Kentucky, and all east of the Mississippi - Gray, Asa, 1810 -1888 (Ivison, Phinney, 1863)

Manual of the botany of the northern United States : including the district east of the Mississippi, and north of North Carolina and Tennessee - Coulter, John Merle, 1851 -1928 (American Book Company, 1889)

A manual of the botany of the northern United States,from New England to Wisconsin and south to Ohio and Pennsylvania inclusive, (the mosses and liverworts by Wm. S. Sullivant,) arranged according to the natural system - Gray, Asa, 1810 -1888 (J. Munroe;London, J.Chapman, 1848)

Manual of the botany (Phaenogamia and Pteridophyta) of the Rocky mountain region, from New Mexico to the British boundary - Coulter, John Merle, 1851 -1928 (Ivison, Blakeman, Taylor, and company, 1885)

Manual of the botany (Phænogamia and Pteridophyta) of the Rocky Mountain region : from New Mexico to the British boundary - Coulter, John Merle, 1851 -1928 (Ivison, Blakeman, Taylor, and company, 1885)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt, 1907)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1905)

A manual of the flowering plants of California - Jepson, Willis Linn, 1867 -1946 (Sather Gate Bookshop, 1925)

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (Govt. Printer, 1925)

Manual of the southeastern flora :being descriptions of the seed plants growing naturally in Florida, Alabama, Mississippi, eastern Louisiana, Tennessee, North Carolina, South Carolina and Georgia - Small, John Kunkel, 1869 -1938 (The author, 1933)

Manual of vascular plants of the lower Yangtze Valley, China - Steward, Albert Newton, 1897 - (Oregon State College, 1958)

Manuel de la flore de Belgique ou description des familles et des genres accompagnée de tableaux analytiques destinés à faire parvenir aisément aux noms des espèces suivis du catalogue raisonné des plantes qui croissent spontanément en Belgique, et de celles qui y sont généralement cultivées - Crépin, François, 1830 -1903 (Gustave Mayolez, 1866)

Manuel de la flore de Belgique ou description des familles et des genres accompagnée de tableaux analytiques destinés à faire parvenir aisément aux noms des espèces suivis du catalogue raisonné des plantes qui croissent spontanément en Belgique, et de celles qui y sont généralement cultivées - Crépin, François, 1830 -1903 (Gustave Mayolez, 1874)

Manuel de la flore de Belgique ou description des familles et des genres accompagnée de tableaux analytiques destinés à faire parvenir aisément aux noms des espèces suivis du catalogue raisonné des plantes qui croissent spontanément en Belgique, et de celles qui y sont généralement cultivées - Crépin, François, 1830 -1903 (Gustave Mayolez, 1882)

Manuel de la flore de Belgique ou description des familles et des genres accompagnée de tableaux analytiques destinés à faire parvenir aisément aux noms des espèces suivis du catalogue raisonné des plantes qui croissent spontanément en Belgique, et de celles qui y sont généralement cultivées - Crépin, François, 1830 -1903 (Gustave Mayolez, 1884)

Manuel de la flore de Belgique ou description des familles et des genres accompagnée de tableaux analytiques destinés à faire parvenir aisément aux noms des espèces suivis du catalogue raisonné des plantes qui croissent spontanément en Belgique, et de celles qui y sont généralement cultivées - Crépin, François, 1830 -1903 (Librairie Agricole d'Emile Tarlier, 1860)

Manuel de la flore de Belgique - Crépin, François, 1830 -1903 (G. Mayolez, 1884)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1902)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1911)

Marine flora and fauna of the Northeastern United States : higher plants of the marine fringe - Moul, Edwin T. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1973)

Massachusetts natural heritage program : plant community classification - Massachusetts. Dept. of Environmental Management. (s.n.], 1979)

Mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Impr. de l'Universitmpale, 1812)

Mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Impr. de l'Universitmpale, 1830)

Mémoires de la Société impériale des sciences naturelles de Cherbourg - Société Imperiale des Sciences Naturelles de Cherbourg. (J.B. Baillière et fils, 1859)

Medicinal uses of plants by Indian tribes of Nevada Part III (pages 130-199) - Archer, W. Andrew (William Andrew), 1894 -1973 (Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1941)

Medicinal uses of plants by Indian tribes of Nevada - Archer, W. Andrew (William Andrew), 1894 -1973 (Plant Industry Station, 1957)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1857)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1878)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1880)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Museum, 1949)

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

Mémoires présentés à l'Académie impériale des Sciences de St. Petersbourg par divers Savans et dans ses assemblées - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1849)

Mémoires présentés à l'Institut Égyptien - Institut égyptien. (1899)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1918)

Memoirs of the Asiatic Society of Bengal - Asiatic Society of Bengal (The Asiatic Society, 1918)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1996)

Memoirs of the National Museum of Victoria - National Museum of Victoria (National Museum of Victoria, 1966)

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, 1932)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1892)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1884)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1848)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1910)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1914)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1916)

meng gu ren min gong he guo zhi bei de ji ben te dian - Li, Jitong (ke xue chu ban she, 1959)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1980)

Micro-Lepidoptera - Walsingham, Thomas de Grey,‏ ‎ Lord, 1843 -1919 (1881)

Mindeskrift i anledning af hundredaaret for Japetus Steenstrups fodsel udg. af en kreds af naturforskere ved Hector F.E. Jungersen og Eug. Warming. Udgivelsen bekostet af Carlsbergfondet - Warming, Eugenius, 1841 -1924 (B. Lunos bogtrykkeri, 1914)

The Mitigation Symposium : a National Workshop on Mitigating Losses of Fish and Wildlife Habitats, July 16-20, 1979, Colorado State University, Fort Collins, Colorado - Swanson, Gustav Adolph, 1910 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, 1979)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1961)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1971)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1975)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1982)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1985)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1990)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1894)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1897)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1899)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1983)

Mitteilungen der Thurgauischen Naturforschenden Gesellschaft - Thurgauische Naturforschende Gesellschaft (Weinfelden [etc.], 1922)

Mitteilungen des Thüringischen Botanischen Vereins n. F - Thüringische Botanische Gesellschaft. (Im Selbstverlag des Vereins, 1914)

Monatsschrift für Kakteenkunde (J. Neumann, 1912)

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

The morphology of Ruppia maritima - Graves, Arthur Harmount, 1879 -1962 (Yale University, 1908)

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

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1979)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1905)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1907)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1909)

Mycotrophy in plants; lectures on the biology of mycorrhizae and related structures - Kelley, Arthur Pierson, 1897 -1979 (Chronica Botanica Co, 1950)

Názorná kvĕtena zemí koruny c̆eské, obsahujíci téz̆ c̆elnĕjs̆í rostliny cizozemské, pĕstované u nás pro uz̆itek a okrasu, se zvlás̆tním zr̆etelem k zjevům z̆ivotním - Polivka, František, 1923 (Nákl. R. Prombergra, 1904)

Názorná kvĕtena zemí koruny c̆eské, obsahujíci téz̆ c̆elnĕjs̆í rostliny cizozemské, pĕstované u nás pro uz̆itek a okrasu, se zvlás̆tním zr̆etelem k zjevům z̆ivotním - Polivka, František, 1923 (Nákl. R. Prombergra, 1902)

Nachrichtenblatt der Bayerischen Entomologen - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1999)

Nachträge zur Flora von Nieder-Oesterreich - Neilreich, August, 1803 -1871 (K.K. Zoologisch-botanische Gesellschaft, 1866)

National list of scientific plant names - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service, 1982)

National list of scientific plant names - United States. Soil Conservation Service. (Nebr.], 1971)

The native flora of Churchill, Manitoba : with notes on the history, geology, and climate of the area; guide book - National Museum of Canada. (National Museum of Canada, 1959)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1901)

Natural areas inventory of Carteret County, North Carolina : for the North Carolina Natural Heritage Program, Coastal Natural Area Inventory Project - North Carolina. Coastal Energy Impact Program. (N.C. Coastal Energy Impact Program, Office of Coastal Management, N.C. Dept. of Natural Resources and Community Development, 1983)

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

Natural history of New York (D. Appleton, 1842)

The natural history of Sokotra and Abdel-Kuri : being the report upon the results of the Conjoint Expedition to these Islands in 1898-9, by Mr. W.R. Ogilvie-Grant ... and Dr. H.O. Forbes ... - Forbes, Henry O. (Henry Ogg), 1851 -1932 (The Free Public Museums, Henry Young and Sons, 1903)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1953)

Natural landscapes of the United States - Macbride, J. Francis (James Francis), 1892 -1976 (Chicago Natural History Museum, 1950)

A natural system of botany, or, A systematic view of the organization, natural affinities, and geographical distribution, of the whole vegetable kingdom : together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

A natural system of botany; or, A systematic view of the organisation, natural affinities, and geographical distribution of the whole vegetable kingdom - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1940)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1953)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1972)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2007)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1886)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1911)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1912)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1914)

Nature and science on the Pacific coast : a guide-book for scientific travelers in the West - American Association for the Advancement of Science. Pacific Coast Committee. (P. Elder, 1915)

Nature in Avon - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1991)

Nature lovers library (University Society Inc, 1923)

Das natürliche Pflanzensystem : ein Versuch, die gegenseitigen Verwandtschaften der Pflanzen aufzufinden ... : mit Berücksichtigung der arzneilichen und überhaupt anwendbaren Gewächse, nebst einer historischen Einleitung ... - Heynhold, Gustav. (In der Arnoldischen Buchh, 1840)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1889)