1997 IUCN red list of threatened plants (1997)

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

Abhandlung über die Pflanzenkunde in Böhmen - Šternberg, Kašpar, Graf, 1761 -1838 (G. Haase, 1817)

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

Abrégé de l'histoire des plantes usuelles; dans lequel on donne leurs noms différens, tant françois que latins; la maniere de s'en servir; la dose, & les principales compositions de pharmacie, dans lesquelles on les emploie - Chomel, Pierre Jean Baptiste, 1671 -1740 (Chez Nyon, 1761)

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, 1861)

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)

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)

Adriani Spigelii philos. ac medici Patauini Isagoges in rem herbariam libri duo - Spiegel, Adriaan van den, 1578 -1625 (ex officina Elzeviriana, 1633)

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, 1905)

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, 1913)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1914)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1846)

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

Alpine flowers for gardens : rock, wall, marsh plants, and mountain shrubs - Robinson, W. (William), 1838 -1935 (John Murray, 1903)

Alpine flowers for gardens; rock, wall, marsh plants, and mountain shrubs - Robinson, W. (William), 1838 -1935 (J. Murray, 1910)

American agriculturist (Orange Judd Co., Publishers [etc.], 1881)

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 American union - Wood, Alphonso, 1810 -1881 (A. S. Barnes & Company, 1873)

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 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 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 : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1903)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1831)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1832)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1841)

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, 1909)

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

American veterinary review - American Veterinary Medical Association (American Veterinary Medical Association, 1904)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1899)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1903)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1879)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1880)

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, 1882)

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, 1888)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1891)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1894)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1896)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1897)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1901)

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

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)

Annaes de sciencias naturaes : revista de historia natural, agricultura, piscicultura, e pescas maritimas - Nobre, Augusto, 1865 -1946 (Typ. Occidental, 1894)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1887)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1912)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1914)

Annales de ... - Société des sciences naturelles de la Charente-Inférieure. (La Société, 1894)

Annales de l'Association des Naturalistes de Levallois-Perret - Association des naturalistes de Levallois-Perret. (1905)

Annales de la science agronomique française et étrangère - Institut des recherches agronomiques. Association des anciens lves. (Berger-Levrault, 1909)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1880)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1886)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1896)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1909)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1919)

Annales des sciences naturelles Botanique (Fortin, Masson, 1834)

Annales des sciences naturelles Botanique (Fortin, Masson, 1835)

Annales des sciences naturelles Botanique (Fortin, Masson, 1837)

Annales des sciences naturelles Botanique (Fortin, Masson, 1838)

Annales des sciences naturelles - Audouin, Jean Victor, 1797 -1841 (Béchet Jeune, 1832)

Annales des sciences naturelles Botanique (Fortin, Masson, 1850)

Annales des sciences naturelles Botanique (Fortin, Masson, 1854)

Annales des sciences naturelles Botanique (Fortin, Masson, 1855)

Annales des sciences naturelles Botanique (Fortin, Masson, 1856)

Annales des sciences naturelles Botanique (Fortin, Masson, 1860)

Annales des sciences naturelles Botanique (Fortin, Masson, 1862)

Annales du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (G. Dufour, et Ed. d'Ocagne, 1803)

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 Giacomo Doria - Museo civico di storia naturale Giacomo Doria (Genoa, Italy) (Stab. tipo-litografico P. Pellas Fu L, 1918)

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, 1938)

Annali di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1904)

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.], 1908)

Annali di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1915)

Annali di storia naturale (1829)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1846)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1853)

Annals of natural history (R. and J.E. Taylor, 1839)

Annals of the Lyceum of Natural History of New York - Lyceum of Natural History (New York, N.Y.) (1828)

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, 1933)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1979)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2000)

Annals of the New York Academy of Sciences - New York Academy of Sciences. (New York Academy of Sciences, 1906)

Annotated list of the ferns and flowering plants of New York state - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1924)

Annuaire du Conservatoire et du jardin botaniques de Genève - Conservatoire et jardin botaniques de la ville de Genève. (Conservatoire botanique, 1899)

Annuaire du Conservatoire et du jardin botaniques de Genève - Conservatoire et jardin botaniques de la ville de Genève. (Conservatoire botanique, 1900)

Annuaire du Conservatoire et du jardin botaniques de Genève - Conservatoire et jardin botaniques de la ville de Genève. (Conservatoire botanique, 1904)

Annuaire du Conservatoire et du jardin botaniques de Genève - Conservatoire et jardin botaniques de la ville de Genève. (Conservatoire botanique, 1908)

Annual report. United States Geological and Geographical Survey of the Territories. 1st-12th, 1867-1878 - Geological; Geographical Survey of the Territories (U.S.) (Govt. Print. Off, 1870)

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan - Michigan State College. Agricultural Experiment Station. (The Board, 1862)

Antonii Gouan ... Flora Monspeliaca, sistens plantas no. 1850 ad sua genera relatas, et hybrida methodo digestas; adjectis nominibus specificis, trivialibusque, synonymis selectis, habitationibus plurium in agro Monspeliensi nuper detectarum, et earum quae in usus medicos veniunt nominibus pharmaceuticis, virtutibusque probatissimis - Gouan, Antoine, 1733 -1821 (Sumptibus B. Duplain, 1765)

Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1901)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 1992)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 1999)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2005)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2013)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2018)

Arabische Pflanzennamen aus Aegypten, Algerien und Jemen - Schweinfurth, Georg August, 1836 -1925 (D. Reimer (E. Vohsen), 1912)