1997 IUCN red list of threatened plants (1997)

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

Abhandlungen - Heidelberger Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. (W. de Gruyter [etc.], 1914)

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

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1990)

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, 1992)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1994)

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, 1996)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1997)

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, 2000)

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, 2003)

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, 2007)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2008)

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, 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, 2014)

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)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1932)

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, 1886)

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)

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

Allan Hancock Pacific expeditions. [Reports] - Allan Hancock Foundation. (University of Southern California Press, 1946)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1901)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1902)

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, 1909)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1922)

Allgemeine Pflanzenkaryologie - Tischler, Georg Friedrich Leopold, 1878 - (G. Borntraeger, 1921)

The Alumni journal - College of Pharmacy of the City of New York. Alumni Association. (Alumni Association of the College of Pharmacy of the City of New York, 1894)

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

American forestry - American Forestry Association. (American Forestry Association, 1918)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1916)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1920)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1887)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1849)

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

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1913)

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

Among school gardens - Greene, M. Louise (Charities publication committee, 1910)

An annotated catalogue of the vascular plants of Oman and their vernacular names - Ghazanfar, Shahina Agha (1992)

an hui jing ji zhi wu zhi 安徽经济植物志 - Anhui jing ji zhi wu zhi zeng xiu bian xie ban gong shi an hui sheng ren min zheng fu jing ji wen安徽经济植物志增修编写办公室, 安徽省人民政府经济文 (an hui ke xue ji shu chu ban she安徽科学技术出版社, 1990)

an hui jing ji zhi wu zhi 安徽经济植物志 - Anhui sheng ye sheng zhi wu zong he li yong wei yuan hui bian安徽省野生植物综合利用委员会编 (an hui sheng ye sheng zhi wu zong he li yong wei yuan hui安徽省野生植物综合利用委员会, 1960)

Anales de la Universidad de Chile - Universidad de Chile. (1920)

Anales del Museo Nacional de Historia Natural "Bernardino Rivadavia" - Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (Imprenta y Casa Editora Coni, 1923)

Analytical class-book of botany : designed for academies and private students. In two parts: Part 1. Elements of vegetable structure and physiology - Green, Frances H. (Frances Harriet), 1805 -1878 (D. Appleton, 1856)

Analytical class-book of botany, designed for academies and private students. In two parts: Part 1. Elements of vegetable structure and physiology - Green, Frances H. (Frances Harriet), 1805 -1878 (D. Appleton, 1855)

Analytical key to the ferns and flowering plants in the Atlantic section of middle Florida. (Wild and cultivated) - Baerecke, John Frederic, 1851 -1920 (News Pub. Co, 1914)

Analytical key to the natural orders of flowering-plants - Thonner, Franz, 1863 - (S. Sonnenschein, 1895)

Annaes de sciencias naturaes : revista de historia natural, agricultura, piscicultura, e pescas maritimas - Nobre, Augusto, 1865 -1946 (Typ. Occidental, 1905)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1888)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1889)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1900)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1907)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1909)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1910)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1911)

Annalen des Wiener Museums der Naturgeschichte - Wiener Museum der Naturgeschichte. (Rohrmann und Schweigerd, 1836)

Annales botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus F. Hofmeister, 1848)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1896)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1910)

Annales du Muśee colonial de Marseille - Musée colonial de Marseille. (Faculté des sciences de Marseille, Musée colonial, 1909)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1897)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1907)

Annali del Museo civico di storia naturale Giacomo Doria - Museo civico di storia naturale Giacomo Doria (Genoa, Italy) (Stab. tipo-litografico P. Pellas Fu L, 1954)

Annali di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1905)

Annali di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1906)

Annali di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1910)

Annali di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1911)

Annali di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1914)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1864)

Annals of applied biology - Association of Applied Biologists. (Association of Applied Biologists [etc.], 1919)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1889)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1902)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1907)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1912)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1914)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1921)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1922)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1923)

The annals of the Bolus Herbarium ... - Bolus Herbarium. (1915)

The annals of the Bolus Herbarium ... - Bolus Herbarium. (1918)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1971)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1993)

Annals of the Eastern Cape museums - Eastern Cape (South Africa). Directorate of Museums; Heritage Resources. (Directorate of Museums and Heritage Resources of the Eastern Cape Province, 2006)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1915)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1916)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1929)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1935)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1949)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1961)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1962)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1965)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1967)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1968)