Magazin für die Botanik - Römer, J. J. (Johann Jacob), 1763 -1819 (Ziegler und Söhne, 1790)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1831)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1903)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1905)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1906)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1912)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1913)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1890)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1893)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1897)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1898)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1906)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1907)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1911)

The Manchester flora : a descriptive list of the plants growing wild within eighteen miles of Manchester, with notices of the plants commonly cultivated in gardens ; preceded by an introduction to botany - Grindon, Leo H. (Leo Hartley), 1818 -1904 (William White, 1859)

The Manchester flora: a descriptive list of the plants growing wild within eighteen miles of Manchester, with notices of the plants commonly cultivated in gardens; preceded by an introduction to botany - Grindon, Leo H. (Leo Hartley), 1818 -1904 (W. White, 1859)

A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants - Balfour, John Hutton, 1808 -1884 (A. and C. Black, 1875)

Manual of botany, for North America : containing generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of the Gulf of Mexico - Eaton, Amos, 1776 -1842 (Printed by Websters and Skinners, 1829)

Manual of botany, for the Northern and Middle States of America : containing generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of Virginia ; to which are prefixed, the natural and artificial classes and orders of Linneus ; and the natural orders of Jussieu, with the medicinal properties of each order - Eaton, Amos, 1776 -1842 (Printed and published by Websters and Skinners, 1822)

Manual of the mosses of North America - Lesquereux, Léo, 1806 -1889 (S. E. Cassino and company, 1884)

Manual of the mosses of North America - Lesquereux, Léo, 1806 -1889 (Bradlee Whidden, 1895)

A manual of the mosses of western Pennsylvania - Jennings, Otto E. (Otto Emery), 1877 -1964 (The Author, Press of the City Mission Publishing Company, 1913)

A manual of the mosses of western Pennsylvania and adjacent regions - Jennings, Otto E. (Otto Emery), 1877 -1964 (University of Notre Dame Press, 1951)

A manual of the mosses of western Pennsylvania - Jennings, Otto E. (Otto Emery), 1877 -1964 (The author, Press of the City Mission Pub. Co, 1913)

Manual of the natural history, geology, and physics of Greenland, and the neighboring regions : prepared for the use of the Arctic Expedition of 1875, under the direction of the Arctic Committee of the Royal Society, for the use of the expedition ; published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (H.M. Stationery Off., printed by G.E. Eyre and W. Spottiswoode, 1875)

Manual of the natural history, geology and physics of Greenland and the neighbouring regions / prepared for the use of the Arctic expedition of 1875, under the direction of the Arctic Committee of the Royal Society and edited by T. Rupert Jones. Together with Instructions suggested by the Arctic Committee of the Royal Society for the use of the expedition / published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (Printed for H.M.S.O, 1875)

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

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (J. Mackay, Govt. Printer, 1906)

Mary's scrap book - Howard, Mary Matilda, (Wm. S. Orr and Co, 1840)

Mémoires de la Société impériale des sciences naturelles de Cherbourg - Société Imperiale des Sciences Naturelles de Cherbourg. (J.B. Baillière et fils, 1857)

Mémoires de la Société impériale des sciences naturelles de Cherbourg - Société Imperiale des Sciences Naturelles de Cherbourg. (J.B. Baillière et fils, 1855)

Mémoires de la Société impériale des sciences naturelles de Cherbourg - Société Imperiale des Sciences Naturelles de Cherbourg. (J.B. Baillière et fils, 1868)

Mémoires de la Société nationale des sciences naturelles de Cherbourg - Société nationale des sciences naturelles de Cherbourg. (J.B. Bailli et fils, 1871)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1888)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1880)

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], 1891)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1900)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1920)

Meddelelser fra den Botaniske forening i Kjøbenhavn = Bulletins de la Société botanique de Copenhague - Kiaerskou, Hjalmar, 1835 -1900 (H. Hagerup, 1887)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1890)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1896)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1904)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1912)

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 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. (1855)

Mémoires de la Société d'Histoire Naturelle de Paris - Société d'Histoire Naturelle de Paris (1825)

Mémoires de la Société des Sciences Naturelles de Neuchâtel - Société des sciences naturelles de Neuchâtel (1845)

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

Mémoires de la Société linnéenne de Paris - Société Linnéenne de Paris (Au Secrétariat de la Société, 1822)

Mémoires de la Société linnéenne de Paris - Société Linnéenne de Paris (Au Secrétariat de la Société, 1824)

Mémoires de la Société linnéenne de Paris - Société Linnéenne de Paris (Au Secrétariat de la Société, 1827)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1889)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1892)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1905)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1908)

Memoires de la Société (Royale) d'Emulation d'Abbeville - Société royale d'émulation d'Abbeville. (Société d'Emulation d'Abbeville, 1833)

Mémoires de la Société Royale (Nationale) Académique de Cherbourg - Société Royale (Nationale Académique de Cherbourg) (Société Royale (Nationale) Académique de Cherbourg, 1843)

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, 1959)

Memoirs - Brooklyn Botanic Garden. (The Garden, 1918)

Memoirs of the Literary and Philosophical Society of Manchester - Manchester Literary; Philosophical Society. (The Society, 1868)

Memoirs of the Literary and Philosophical Society of Manchester - Manchester Literary; Philosophical Society. (The Society, 1871)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1954)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1836)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1838)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1840)

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

Methodus nova muscorum : ad naturae mormam melius instituta et muscologiae recentiorum accommodata - Bridel-Brideri, Samuel Elisée de, 1761 -1828 (Apud A. Ukertum, 1819)

Methodus nova muscorum : ad naturae normam melius instituta et muscologiae recentiorum accommodata - Bridel-Brideri, Samuel Elisée de, 1761 -1828 (J. A. Barthium, 1822)

Methodus plantas horti botanici et agri Marburgensis :a staminum situ describendi - Moench, Conrad, 1744 -1805 (in officina nova libraria academiae, 1794)

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, 1860)

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, 1875)

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 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)

Microscopic objects, animal, vegetable and mineral; with instructions for preparing and viewing them - Pritchard, Andrew, 1804 -1882 (Whittaker, 1847)

Microscopic objects figured and described - Martin, John H. (J.Van Voorst, 1870)

The Microscopical news, and northern microscopist (1883)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1878)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1882)

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