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

The 1940 seedsmen : seeds, bulbs and plants, agricultural implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas J. Grey Co, 1940)

1997 IUCN red list of threatened plants (1997)

500 wild flowers of San Antonio and vicinity - Quillin, Ellen Schulz, 1892 -1970 (The author, 1922)

The A B C and X Y Z of bee culture : a cyclopedia of everything pertaining to the care of the honey-bee : bees, hives, honey, implements, honey plants, etc. ... - Root, A. I. (Amos Ives), 1839 -1923 (The A. I. Root company, 1913)

The A B C and X Y Z of bee culture ; a cyclopedia of everything pertaining to the care of the honey-bee : bees, hives, honey, implements, honey plants, etc. : facts gleaned from the experience of thousands of beekeepers, and afterward verified in our apiary - Root, A. I. (Amos Ives), 1839 -1923 (The A. I. Root company, 1917)

The ABC and XYZ of bee culture; a cyclopedia of everything pertaining to the care of the honeybee ... - Root, E. R. (Ernest Rob), 1862 -1953 (A. I. Root Co, 1923)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1903)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1991)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1998)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2002)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2006)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2010)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2015)

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

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1926)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1939)

Adansonia - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1997)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1962)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1980)

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, 1889)

Adriani van Royen ... Florae leydensis prodromus :exhibens plantas quae in Horto academico Lugduno-Batavo aluntur - Royen, Adrianus van, 1704 -1779 (Apud Samuelen Luchtmans academiae typographum, 1740)

Agave : quarterly magazine of the Desert Botanical Garden - Desert Botanical Garden (Ariz.) (The Garden, 1986)

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)

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)

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

Alien flora of Britain - Dunn, S. T. (Stephen Troyte), 1868 -1938 (West, Newman, 1905)

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, 1909)

Allgemeine Zeitschrift für Entomologie Organ der "Allgemeinen Entomologischen Gesellschaft" ; Internationales Organ für die Interessen der allgemeinen und angewandten Entomologie wie der Insekten-Biologie - Allgemeine Entomologische Gesellschaft. (Druck und Verlag von J. Neumann, 1901)

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 botanist : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1910)

The American botanist : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1916)

The American botanist : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1919)

The American entomologist (Max Jaegerhuber, 1880)

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)

American fern journal - American Fern Society. (American Fern Society, 2002)

American honey plants; together with those which are of special value to the beekeeper as sources of pollen - Pellett, Frank Chapman, 1879 -1951 (American Bee Journal, 1920)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1919)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1922)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1885)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1886)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1835)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1870)

American medicinal plants; : an illustrated and descriptive guide to the American plants used as homopathic remedies : their history, preparation, chemistry, and physiological effects - Millspaugh, Charles Frederick, 1854 -1923 (Boericke & Tafel, 1887)

American medicinal plants; an illustrated and descriptive guide to the American plants used as homopathic remedies: their history, preparation, chemistry and physiological effects - Millspaugh, Charles Frederick, 1854 -1923 (Boericke & Tafel, 1887)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1917)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1921)

American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits - McCook, Henry C. (Henry Christopher), 1837 -1911 (The author, Academy of natural sciences of Philadelphia, 1893)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1969)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1881)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1887)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1890)

Anales del Ministerio de Fomento de la República Mexicana - Mexico. Ministerio de Fomento. (Imprenta de Francisco DÃaz de LeÃ³n, 1898)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1999)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 2006)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 2010)

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, 1901)

Anleitung zur Kenntniss der natürlichen Familien der Phanerogamen : ein Leitfaden zum Gebrauch bei Vorlesungen und zum Studium der speciellen Botanik - Schmidt, Johann Anton, 1823 -1905 (Schweizerbart, 1865)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1875)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1885)

Annales des sciences naturelles. Botanique (Fortin, Masson, 1910)