Lehrbuch der forstlichen Bodenkunde und Klimatologie - Heyer, Gustav (F. Enke, 1856)

Lehrbuch der ökologischen Pflanzengeographie - Warming, Eugenius, 1841 -1924 (Gebrüder Borntraeger, 1918)

Lehrbuch der Pflanzenkranzkheiten : für Botaniker, Forstleute, Landwirthe und Gärtner - Hartig, Robert, 1839 -1901 (Springer, 1900)

Lehrbuch der Pflanzenphysiologie, mit besonderer Berücksichtigung der landwirtschaftlichen Kulturpflanzen - Frank, H. B (P. Parey, 1896)

Lehrbuch der pilzparasitären Pflanzenkrankheiten mit besonderer Berücksichtigung der Krankheiten gärtnerischer Kulturgewächse - Höstermann, Gustav (P. Parey, 1923)

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 für den ersten, systematischen Unterricht in der Naturgeschichte - Lumnitzer, Johann Georg. (In der Kunsthandlung des H.F. Müller, 1826)

Die Lehre von der Pflanzenzelle - Hofmeister, Wilhelm, 1824 -1877 (Engelmann, 1867)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1947)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1949)

The Lepidopterists' Society, commemorative volume, 1945-1973 - Clench, Harry K. (The Society, 1945)

Lessons in elementary botany. The part of systematic botany based upon material left in manuscript by the late Professor Henslow ... - Oliver, Daniel, 1830 -1916 (Macmillan, 1876)

Letters on the elements of botany : addressed to a lady - Rousseau, Jean-Jacques, 1712 -1778 (Printed for B. White and Son, 1791)

Letters on the elements of botany, addressed to a lady - Rousseau, Jean-Jacques, 1712 -1778 (B. and J. White, 1796)

Letters on the elements of botany. Addressed to a lady - Rousseau, Jean-Jacques, 1712 -1778 (B. White, 1787)

Lettuce (Lactuca sativa L.) root morpholgy, architecture, growth and development in an autotrophic culture system - Nicola, Silvana, 1961 - (1997)

Life-histories of the birds of eastern Pennsylvania - Gentry, Thomas G. (Thomas George), 1843 -1905 (Published by the author, 1876)

Life zone investigations in Wyoming - United States. Bureau of Biological Survey. (Government Printing Office, 1917)

Light, vegetation, and chlorophyll - Terrien, J. (Jean), 1907 - (Philosophical Library, 1957)

Lilly's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1936)

Lilly's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1934)

Lilly's trial ground tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1937)

Lilly's trial ground tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1939)

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, 1861)

Linné och växtodlingen - Linné, Carl von, 1707 -1778 (Akademiska boktryckeriet, E. Berling, 1907)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1951)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1955)

List of foreign pests, pathogens and weeds detected on introduced plants - Leppik, E. E., 1906 -

List of fungi, collected in 1884 along the Northern Pacific Railroad - Seymour, Arthur Bliss, 1859 -1933 (Boston Society of Natural History], 1889)

A list of fungi (ustilaginales and uredinales) prepared for exchange - Patterson, Flora W. (Flora Wambaugh), 1847 -1928 (U.S. Dept. of Agriculture, 1922)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1971)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1984)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1985)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1987)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1983)

List of New Brunswick plants - Fowler, James, 1829 -1923 (s.n, 1800)

A list of plants collected in Bermuda in 1905 : including a description of two new species - Moore, Albert Hanford, 1883 - (1906)

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

List of Pteridophyta and Spermatophyta growing without cultivation in northeastern North America - American Association for the Advancement of Science. Botanical Club. (1894)

List of seeds available for exchange - John Innes Centre. (John Innes Horticultural Institution, 1929)

List of seeds available for exchange - John Innes Centre. (John Innes Horticultural Institution, 1931)

List of seeds for exchange - National Botanic Gardens (Ireland) (Royal Botanic Gardens, 1891)

List of seeds for exchange - National Botanic Gardens (Ireland) (Royal Botanic Gardens, 1901)

List of seeds offered in exchange - Chelsea Physic Garden. (Chelsea Physic Garden, 1907)

A list of the aphids of Oregon (Homoptera: Aphididae) - Leonard, Mortimer Demarest, 1890 - (Agricultural Research Service, 1974)

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 der Nutz- und Nahrungspflanzen der systematischen Sammlung von Sommergewächsen : und einer Auswahl mitteleuropäischer Stauden als Grundlage des jährlichen Samenkataloges - Technische Universität Dresden. Botanischer Garten. (1900)

Lists of plant types for landscape planting; the materials of planting for ornament listed according to their various uses - Hamblin, Stephen F. (Stephen Francis), 1884 - (Harvard University Press, 1923)

Literaturberichte zur Flora, oder Allgemeinen botanischen Zeitung - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (K. Bayerische Botanische Gesellschaft, 1839)

A little book of annuals - Hottes, Alfred Carl, 1891 -1955 (The A. T. De La Mare company, inc, 1922)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1986)

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

Living lights; a popular account of phosphorescent animals and vegetables - Holder, Charles Frederick, 1851 -1915 (C. Scribner's Sons, 1892)

Living lights : a popular account of phosphorescent animals and vegetables - Holder, Charles Frederick, 1851 -1915 (Sampson Low, Marston, 1887)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1836)

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1918)

London Naturalist - London Natural History Society. (London Natural History Society, 1957)

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, 1963)

London Naturalist - London Natural History Society. (London Natural History Society, 1980)

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

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

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Lotos - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (Verlag des Deutschen Naturwissenschaftlich-Medizinischen Vereines für Böhmen "Lotos", 1908)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1852)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1853)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1857)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1859)

Loudon's encyclopaedia of plants; comprising the specific character, description, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous to, cultivated in, or introduced into Britain - Loudon, J. C. (John Claudius), 1783 -1843 (Longmans, Green, 1866)

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Lunds universitets årsskrift. 2. Afd, Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1914)

Lunds universitets årsskrift. 2. Afd, Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1916)

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The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1924)

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Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1937)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1946)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1945)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1953)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1956)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1962)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1963)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1971)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1973)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1975)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1977)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1978)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1984)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1987)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1995)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2000)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2004)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2009)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2011)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2012)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2014)

Magazin für das Neueste aus der Physik und Naturgeschichte - Lichtenberg, Georg Christoph, 1742 -1799 (Carl Wilhelm Ettinger, 1781)

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

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1860)

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)

Magazine of zoology and botany - Westwood, J. O. (John Obadiah), 1805 -1893 (1837)