1938 seed trade buyers guide & directory - Seed world. (Seed World, 1938)

1997 IUCN red list of threatened plants (1997)

Års-berättelse om botaniska arbeten och upptäckter ... - Kungl. Svenska vetenskapsakademien. (Tryckt hos P.A. Norstedt & söner, 1836)

Års-berättelse om botaniska arbeten och upptäckter ... - Kungl. Svenska vetenskapsakademien. (Tryckt hos P.A. Norstedt & söner, 1837)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1825)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1891)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1894)

Abhandlungen der Naturforschenden Gesellschaft zu Görlitz - Staatliches Museum für Naturkunde Görlitz. (1901)

Abhandlungen der Naturforschenden Gesellschaft zu Görlitz - Staatliches Museum für Naturkunde Görlitz. (1917)

Abhandlungen der physikalischen Klasse der Königlich-Preussischen Akademie der Wissenschaften - Königlich Preussische Akademie der Wissenschaften zu Berlin (Realschul-Buchhandlung, 1816)

Abhandlungen der Zool.-Botan. Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Verlag der Zool.-Botan. Gesellschaft, 1922)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1880)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1995)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2001)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2004)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2012)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2013)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2016)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2017)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2018)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1832)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1852)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1860)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1861)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1878)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1891)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1902)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1912)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1921)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1923)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1934)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1959)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1966)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1968)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1979)

Adansonia; recueil d'observations botaniques - Baillon, H. (Henri), 1827 -1895 (H. Baillon et F. Savy, 1867)

Adansonia; recueil d'observations botaniques - Baillon, H. (Henri), 1827 -1895 (H. Baillon et F. Savy, 1873)

Additamenta ad Conspectum florae europaeae editum a cl. C.F. Nyman = Beiträge zu C.F. Nyman's Conspectus florae europaeae - Nyman, Carl Fredrik, 1820 -1893 (Haude & Spener, 1890)

Adnotationes botanicae - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (P.A. Norstedt, 1829)

Agricultural botany - Darlington, William, 1782 -1863 (J. W. Moore, 1847)

Agricultural botany an enumeration and description of useful plants and weeds, which merit the notice, or require the attention, of American agriculturists - Darlington, William, 1782 -1863 (J.W. Moore, 1847)

The agricultural grasses of the United States - United States. Division of Botany. (G.P.O, 1884)

The Agriculturalist's manual : being a familiar description of the agricultural plants cultivated in Europe, including practical observations respecting those suited to the climate of Great Britain, and forming a report of Lawson's Agricultural Museum in Edinburgh - Peter Lawson & Son. (W. Blackwood, 1836)

Agriculture of North Carolina, part II : containing a statement of the principles of the science upon which the practices of agriculture as an art are founded - Emmons, Ebenezer, 1799 -1863 (W.W. Holden, Printer to the State, 1860)

The agriculturist's manual : being a familiar description of the agricultural plants cultivated in Europe : including practical observations respecting those suited to the climate of Great Britain and forming a report of Lawson's Agricultural Museum in Edinburgh - Peter Lawson & Son. (William Blackwood and Sons, Edinburgh: Thomas Cadell, 141 Strand, London; and W. Curry Jun. & Co., Dublin, 1836)

Agrostographia, sive, Graminum, juncorum, cyperorum, cyperoidum, iisque affinium historia. Accesserunt Alberti v. Haller Synonyma nuperiora, Graminum septuaginta species, de generibus Graminum epicrisis. Denique plantae rhaetici itineris anno 17O9, a J. Scheuchzero suscepti - Scheuchzer, Johann, 1684 -1738 (Apud Orell, Gessner, Fuessli, 1775)

Agrostographiae Aegyptiacae fragmenta - De Notaris, Giuseppe, 1805 -1877 (Ex Officina Regia, 1853)

Agrostologia Brasiliensis, seu, Descriptio graminum in imperio Brasiliensi huc usque detectorum - Martius, Karl Friedrich Philipp von, 1794 -1868 (sumptibus J. G. Cottae, 1829)

Agrostologia Helvetica : definitionem descriptionemque graminum et plantarum eis affinium in Helvetia sponte nascentium complectens - Gaudin, Jean, 1766 -1833 (Apud J.J. Paschoud, 1811)

Airborne pollen and fungus spores of New York State - Lewis, Donald M. (University of the State of New York, 1960)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1985)

Alberti Magni ex ordine praedicatorum de Vegetabilibus libri VII :historiae naturalis pars XVIII - Albertus, Magnus, Saint, 1193? -1280 (G. Reimeri, 1867)

Alfalfa in Kansas : report of the Kansas State Board of Agriculture for the quarter ending June, 1916 - Kansas. State Board of Agriculture. (Kansas State Printing Plant, 1916)

Alien plants growing without cultivation in California - Robbins, Wilfred William, 1884 -1952 (California Agricultural Experiment Station, College of Agriculture, University of California, 1940)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1896)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1905)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1906)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1910)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1917)

Allgemeine deutsche Garten-Zeitung - Praktische Gartenbau-Gesellschaft im Bayern zu Frauendorf. (F. Pustet, 1830)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1841)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1842)

Allgemeines Polyglotten-Lexicon der Naturgeschichte mit erklaerenden Anmerkungen - Nemnich, Philipp Andreas, 1764 -1822 (Nemnich, 1793)

American agriculturist (Orange Judd Co., Publishers [etc.], 1845)

American agriculturist (Orange Judd Co., Publishers [etc.], 1855)

The American botanist and florist; including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (A.S. Barnes & company, 1870)

The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (A. S. Barnes, 1870)

The American botanist and florist : including lessons in the structure, life, and growth of plants : together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the Americ by Alphonso Wood - Wood, Alphonso, 1810 -1881 (A. S. Barnes, 1877)

The American botanist and florist, including lessons in the structure, life growth of plants, together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (Barnes, 1900)

The American farmer's encyclopedia and dictionary of rural affairs : embracing all the most recent discoveries in agricultural chemistry - Emerson, G. (Gouverneur), 1796 -1874 (Carey and Hart, 1844)

The American farmer's encyclopedia : embracing all the recent discoveries in agricultural chemistry, and the use of mineral, vegetable and animal manures, with descriptions and figures of American insects, injurious to vegetation. Being a complete guide for the cultivation of every variety of garden and field crops. Illustrated by numerous engravings of grasses, grains, animals, implements, insects, etc - Emerson, G. (Gouverneur), 1796 -1874 (A.O. Moore, Agricultural Book Publisher, 1858)

The American farmer's encyclopedia; embracing all the recent discoveries in agricultural chemistry - Emerson, G. (Gouverneur), 1796 -1874 (A. O. Moore, 1858)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1913)

American grasses - United States. Division of Agrostology. (U.S. Dept. of Agriculture, Division of Agrontology, 1897)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1822)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1844)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1856)

American malacological bulletin - American Malacological Union. ([American Malacological Union], 1998)

American malacological bulletin - American Malacological Union. ([American Malacological Union], 2005)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1909)

American weeds and useful plants: being a second and illustrated edition of Agricultural botany - Darlington, William, 1782 -1863 (A.O. Moore & company, 1859)

Anais do Segundo Congresso Latino-Americano de Zoologia Realizado em São Paulo, de 16 a 21 de julho de (Departamento de Zoologia da Secretaria da Agricultura, 1964)

Anales de la Academia de Ciencias Médicas, Físicas y Naturales de la Habana - Academia de Ciencias Médicas, Físicas y Naturales de La Habana. (Academia de Ciencias Médicas, Físicas y Naturales de la Habana, 1868)

Anales de la Academia de Ciencias Médicas, Físicas y Naturales de la Habana - Academia de Ciencias Médicas, Físicas y Naturales de La Habana. (Academia de Ciencias Médicas, Físicas y Naturales de la Habana, 1871)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1877)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1914)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1877)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1883)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1886)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1895)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1898)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1900)

Anales de la Universidad de Chile - Universidad de Chile. (1896)

Anales del Museo Nacional de Buenos Aires - Museo Nacional de Buenos Aires. (Impr. de Juan A. Alsina, 1895)

Anales del Museo Nacional de Chile - Museo Nacional de Chile. (el Museo, 1891)

Anales del Museo Nacional de Historia Natural de Buenos Aires - Museo Nacional de Historia Natural de Buenos Aires. (Impr. y Casa Editora "Juan A. Alsina", 1911)

Anales del Museo Nacional de Montevideo - Museo Nacional de Montevideo (El Museo, 1894)

Analyse des familles des plantes, avec l'indication des principaux genres qui s'y rattachent - Du Mortier, B.-C. (Barthélemy-Charles), 1797 -1878 (Impr. de J. Casterman, Aîne, 1829)