Larva collecting and breeding; a handbook to the larvae of the British macro-lepidoptera and their food plants; both in nature and in confinement, with authorities - St. John, John Seymour. (W. Wesley, and to be had of the author, 1890)

Larva collecting and breeding : a handbook to the larvae of the British Macro-Lepidoptera and their food plants : both in nature and in confinement, with authorities - St. John, John Seymour. (W. Wesley, 1890)

The larvæ of the British butterflies and moths - Stainton, H. T, (Henry Tibbats) 1822 -1892 (Printed for the Ray society, 1899)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1932)

Das Leben der Pflanze - Francé, R. H. (Raoul Heinrich), 1874 -1943 (Kosmos, Gesellschaft der Naturfreunde, 1906)

Lehrbuch der Botanik; nach dem Gegenwärtigen Stand der Wissenschaft - Frank, Albert Bernhard, 1839 -1900 (W. Engelmann, 1892)

Lehrbuch der praktischen Pflanzenkunde in Wort und Bild : für Schule und Haus, für Gebildete aller Stände : mit über 1000 Abbildungen auf 60 colorirten Tafeln in Doppelfolio und 214 Holzschnitten - Hoffmann, Carl, 1802 -1883 (Hoffmann'sche Verlags-Buchhandlung, 1880)

Lehrbuch der Toxikologie für Tierärzete - Fröhner, Eugen, 1858 -1940 (F. Enke, 1910)

The lepidopterist's calendar - Merrin, Joseph. (H. Marsden, 1875)

The lepidopterist's calendar; giving the time when the British lepidoptera appear in the egg, larval, pupal, and imago states, with the food-plant, and habitat - Merrin, Joseph, 1820 -1904 (H. Marsden, 1875)

Lessons in botany and vegetable physiology - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1872)

The letters of Rusticus on natural history - Newman, Edward, 1801 -1876 (J. Van Voorst, 1849)

The letters of Rusticus on the natural history of Godalming. Extracted from the Magazine of natural history, the Entomological magazine, and the Entomologist - Newman, Edward, 1801 -1876 (Printed for John Van Voorst, 1849)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2012)

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Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1826)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1829)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1837)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1840)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1848)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1853)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1857)

List of plants collected by Mr. J. B. Tyrrell in the Klondike region in 1899 - Macoun, John, 1831 -1920 (s.n, 1899)

List of plants collected in Nevada and Utah, 1867-'69 :numbered as distributed - Watson, Sereno, 1826 -1892 (United States Geological Exploration of the 40th paralled, 1871)

List of Pteridophyta and Spermatophyta growing without cultivation in northeastern North America - American Association for the Advancement of Science. (1893)

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List of the plants known to occur on the coast and in the interior of the Labrador Peninsula - Macoun, James Melville, 1862 -1920 (s.n, 1894)

Liste annotée des plantes à fleurs et des fougères de la Pointe Pelé e, Ont., et des régions avoisinantes - Geological Survey of Canada (Impr. du gouvernement, 1917)

Liste der in der deutschen Flora enthaltenen Gefässpflanzen, zunächst nach Koch's Synopsis Florae germanicae et helveticae behufs der botanischen Untersuchung von Bayern zusammengestellt (J.G. Weiss, 1849)

Liste des plantes de montagnes elevées au Jardin Alpin D'Acclimatation de Genève - Correvon Fils & Cie. (Jardin Alpin D'Acclimatation, 1921)

The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling News Litho. Co, 1913)

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London Naturalist - London Natural History Society. (London Natural History Society, 1935)

London Naturalist - London Natural History Society. (London Natural History Society, 1947)

London Naturalist - London Natural History Society. (London Natural History Society, 1948)

London Naturalist - London Natural History Society. (London Natural History Society, 1954)

London Naturalist - London Natural History Society. (London Natural History Society, 1958)

London Naturalist - London Natural History Society. (London Natural History Society, 1960)

London Naturalist - London Natural History Society. (London Natural History Society, 1961)

London Naturalist - London Natural History Society. (London Natural History Society, 1962)

London Naturalist - London Natural History Society. (London Natural History Society, 1977)

London Naturalist - London Natural History Society. (London Natural History Society, 1981)

London Naturalist - London Natural History Society. (London Natural History Society, 1983)

London Naturalist - London Natural History Society. (London Natural History Society, 1984)

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Long-term ecological consequences in tundra environments of the CANOL Crude Oil Pipeline Project, N.W.T - University of Alberta. Department of Geography. (1983)

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Lyhykäinen kasvioppi ja kasvio - Mela, A. J. (Aukusti Juhana), 1846 -1904 (Suomalaisen Kirjallisuuden Seuran Kirjapainossa, 1877)

M. W. Gorman, Lake Iliamna, Alaska, June 19 to Sept. 12 1902 - Gorman, Martin W., 1853 -1926 (1902)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1912)

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Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1958)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1969)

Magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl [etc.], 1827)

Magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl [etc.], 1828)

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, 1829)

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, 1910)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1911)

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, 1915)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1902)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1905)

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

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)

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)

A manual of botany: being an introduction to the study of the structure, physiology, and classification of plants - Balfour, John Hutton, 1808 -1884 (J. J. Griffin [etc.] 1851, 1851)

Manual of British botany : containing the flowering plants and ferns arranged according to natural orders - Babington, Charles Cardale, 1808 -1895 (J. van Voorst, 1843)

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

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, & co, 1867)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1868)

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)

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 Co, 1889)

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 (Iverson, Blakeman, 1889)

Manual of the botany (phaenogamia and pteridophyta) of the Rocky mountain region : from New Mexico to the British boundary - Coulter, John Merle, 1851 -1928 (American Book Co, 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 and Co, 1901)

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)

Manual of the flora of the northern states and Canada, by Nathaniel Lord Britton ... - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1901)

Manual of the flowering plants of Iowa - Fitzpatrick, T. J., 1868 - (Privately published, 1899)

A manual of the more common herbaceous plants of Quebec and Ontario for use in connection with Groom's Botany - Penhallow, D. P. (David Pearce), 1854 -1910 (Copp, Clark, 1899)

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)

A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control - Georgia, Ada Eljiva, 1859 -1921 (Macmillan, 1919)

A manual of weeds, with descriptions of all the most pernicious and troublesome plants in the United States and Canada - Georgia, Ada Eljiva, 1859 - (The Macmillan company, 1914)

A manual of weeds, with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control - Georgia, Ada Eljiva, 1859 - (The Macmillan Company, 1916)

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.], 1908)

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

Maryland naturalist - Natural History Society of Maryland (The Society, 1998)

Les mauvaises herbes et leurs graines, avec illustrations et descriptions - Canada. Department of Agriculture. Seed Division. (le Ministère, 1930)

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 pro Fauna et Flora Fennica], 1878)

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], 1881)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1885)

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

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1893)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1898)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1906)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1909)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1910)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1918)

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

Meddelanden fran Centralanstalten for Forsoksvasendet på Jordbruksområdet. Botaniska afdelningen - Centralanstalten for Forsoksvasendet påa Jordbruksområdet (Centralanstalten for Forsoksvasendet på Jordbruksområdet, 1912)

Meddelanden fran Centralanstalten for Forsoksvasendet på Jordbruksområdet. Botaniska afdelningen - Centralanstalten for Forsoksvasendet påa Jordbruksområdet (Centralanstalten for Forsoksvasendet på Jordbruksområdet, 1915)

Meddelanden från Statens Skogsförsöksanstalt = Mitteilungen aus der Forstlichen Versuchsanstalt Schwedens - Statens Skogsförsöksanstalt (Sweden) (Centraltryckeriet, 1916)

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, 1887)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1854)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 6e série. Seconde partie, Sciences naturelles - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) ([Académie impériale des sciences de St.-Pétersbourg], 1845)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1861)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1872)

Memoires de l'Academie (Royale) des Sciences, Inscriptions et Belles-Lettres de Toulouse - Académie des sciences, inscriptions et belles-lettres de Toulouse. (1856)

Memoires de la Société d'Agriculture, Sciences et Arts d'Angers - Société d'Agriculture Sciences et Arts d'Angers. (1884)

Mémoires de la Société d'émulation du Doubs - Société d'émulation du Doubs. ([La Société])