1997 IUCN red list of threatened plants (1997)

A provisional checklist of neotropical Rubiaceae - Robbrecht, Elmar (1992)

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 Königlichen Gesellschaft der Wissenschaften zu Göttingen - Akademie der Wissenschaften in Göttingen (In der Dieterichschen Buchhandlung, 1878)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1897)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1889)

An account of some of the vegetable productions, naturally growing in this part of America - Cutler, Manasseh, 1742 -1823 (J. U. & C. G. Lloyd, 1903)

Across Africa - Oliver, Daniel, 1830 -1916 (Daldy, Isbister & Co, 1877)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1996)

Actes de la société d'histoire naturelle de Paris : tome premier, premiere partie - Société d'Histoire Naturelle de Paris (l'Impr. de la Société, 1792)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1961)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1964)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1970)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1972)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1975)

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, 1876)

Agricultural bulletin of the Straits and Federated Malay States. New series (Gov. Print. Off, 1901)

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, 1903)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1904)

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, 1907)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1844)

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.], 1877)

American bee journal (Dadant & Sons, 1867)

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, 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)

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 pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1868)

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

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1859)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1867)

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

Anales de historia natural (Imprenta Real por P.J. Pereyra, 1801)

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, 1894)

Anales del Museo Nacional de Montevideo - Museo Nacional de Montevideo (El Museo, 1901)

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)

Anexos das Memórias do Instituto de Butantan, Secção de Botânica - Instituto Butantan. Secção de Botânica. (Comp. Melhoramentos de S. Paulo, 1922)

Anleitung zum Studium der Botanik; oder, Grundriss dieser Wissenschaft ... - Candolle, Alphonse de, 1806 -1893 (K. F. Köhler, 1838)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1903)

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

Annalen des Wiener Museums der Naturgeschichte - Wiener Museum der Naturgeschichte. (Rohrmann und Schweigerd, 1840)

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

Annales de la Société scientifique de Bruxelles - Société scientifique de Bruxelles. (1913)

Annales de la Société scientifique de Bruxelles - Société scientifique de Bruxelles. (1922)

Annales des sciences naturelles - Audouin, Jean Victor, 1797 -1841 (Béchet Jeune, 1829)

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

Annales du Muśee colonial de Marseille - Musée colonial de Marseille. (Faculté des sciences de Marseille, Musée colonial, 1910)

Annales Musei Botanici Lugduno-Batavi - Miquel, Friedrich Anton Wilhelm 1811 -1871 (Apud C. G. van der Post, 1867)

Annales Musei Botanici Lugduno-Batavi - Miquel, Friedrich Anton Wilhelm 1811 -1871 (Apud C. G. van der Post, 1868)

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

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

Annals of horticulture ; and year-book of information on practical gardening (Charles Cox, 1846)

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

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

The annals of the Bolus Herbarium ... - Bolus Herbarium. (1923)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1917)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1934)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1959)

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, 1966)

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)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1970)

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, 1980)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1988)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1992)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1995)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2009)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2010)

Annals of the Natal Museum - Natal Museum (Pietermaritzburg, South Africa) (Adlard & Son, 1909)

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

Annals of the Royal Botanic Gardens, Peradeniya - Royal Botanical Gardens, Peradeniya. (Skien, 1901)

Annals of the Royal Botanic Gardens, Peradeniya - Royal Botanical Gardens, Peradeniya. (Skien, 1910)

Annals of the Royal Botanic Gardens, Peradeniya - Royal Botanical Gardens, Peradeniya. (Skien, 1911)