1948 Archbold Cape York Expedition - American Museum of Natural History (1948)

1979 Research accomplishments : forests for our needs - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1980)

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 K. K. Zool.-Botan. Gesellschaft in Wien - Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien. (Alfred Hölder, K.U.K. Hof-und Universitäts-Buchändler, 1912)

Abhandlungen der K. K. Zool.-Botan. Gesellschaft in Wien - Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien. (Alfred Hölder, K.U.K. Hof-und Universitäts-Buchändler, 1913)

Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt - K.K. Geologische Reichsanstalt (Austria) (Kaiserlich-Königlichen Geologische Reichsanstalt, 1855)

Abhandlungen der Königlich Preussischen Geologischen Landesanstalt - Königlich-Preussische Geologische Landesanstalt. (1907)

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

Abhandlungen der mathematisch-naturwissenschaftlichen Classe der Königlich Böhmischen Gesellschaft der Wissenschaften vom Jahre ... = Rozpravy Trídy mathematicko-prírodovedecké Královské ceské spolecnost nauk zu roku ... - Královská ceská spolecnost nauk. Trída mathematiko-prírodovedecká. (Verlag der Kgl. Böhm. Gesellschaft der Wissenschaften, 1889)

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1844)

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1888)

Abhandlungen zur geologischen Specialkarte von Preussen und den Thüringischen Staaten - Preussische Geologische Landesanstalt. (Neumann'schen Kartenhandlung, 1883)

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, 1993)

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, 1999)

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, 2008)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2009)

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, 2015)

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)

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

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

Adansonia - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1998)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1963)

Adansonia - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1999)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1967)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1971)

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, 1973)

Advances in herpetology and evolutionary biology : essays in honor of Ernest E. Williams - Harvard University. Museum of Comparative Zoology. (Museum of Comparative Zoology, 1983)

Advances in legume biology - Royal Botanic Gardens, Kew. (Missouri Botanical Garden, 1989)

L'Agricoltura coloniale - Istituto agricolo coloniale (Florence, Italy) (Istituto agronomico per l'Africa italiana [etc.], 1907)

Agricultural bulletin of the Straits and Federated Malay States. New series (Gov. Print. Off, 1902)

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

Agricultural bulletin of the Straits and Federated Malay States. New series (Gov. Print. Off, 1906)

Agricultural bulletin of the Straits and Federated Malay States. New series (Gov. Print. Off, 1908)

Agricultural bulletin of the Straits and Federated Malay States. New series (Gov. Print. Off, 1909)

The agricultural economy and forest land use of the lowland tropical forests of Madre de Dios, Peru - Nikitine, Pavlik Andre, (1992)

Agricultural news - Great Britain. Imperial Dept. of Agriculture for the West Indies. (Bowen & sons, 1904)

Agricultural news - Great Britain. Imperial Dept. of Agriculture for the West Indies. (Bowen & sons, 1906)

Agricultural news - Great Britain. Imperial Dept. of Agriculture for the West Indies. (Bowen & sons, 1917)

Agriculture in the tropics; an elementary treatise - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1922)

Agriculture in the tropics; an elementary treatise - Willis, J. C. (John Christopher), 1868 -1958 (University press, 1909)

Agriculture in the tropics; an elementary treatise - Willis, J. C. (John Christopher), 1868 -1958 (The University press, 1914)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1988)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1991)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1891)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1901)

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 Gartenzeitung - Otto, Friedrich, 1783 -1856 (1847)

Almanach - Bayerische Akademie der Wissenschaften (Bayerische Akademie der Wissenschaften, 1878)

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)

American agriculturist (Orange Judd Co., Publishers [etc.], 1880)

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 : 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)

American fern journal - American Fern Society. (American Fern Society, 1910)

American fern journal - American Fern Society. (American Fern Society, 2004)

The American garden (Beach, Son & Co, 1890)

The American handbook of ornamental trees - Meehan, Thomas, 1826 -1901 (Lippincott, Grambo, and co, 1853)

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, 1918)

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, 1889)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1900)

The American journal of science (J.D. & E.S. Dana, 1915)

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

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1903)

The American woods : exhibited by actual specimens and with copious explanatory text - Hough, Romeyn Beck, 1857 -1924 (Pub., and sections prepared by the author, 1910)

The American woods : exhibited by actual specimens and with copious explanatory text - Hough, Romeyn Beck, 1857 -1924 (Pub. and sections prepared by the author, 1888)

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

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1888)

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

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.], 2014)

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

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)

Animal and plant life in Oklahoma - Oklahoma Geological Survey. (1917)

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)

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, 1891)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1893)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1894)