110 years of biological control research and development in the United States Department of Agriculture : 1883-1993 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 2000)

1974 environmental monitoring and baseline data Volume III Temperate studies - Correll, David L. (Smithsonian Institution, 1975)

1997 IUCN red list of threatened plants (1997)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1878)

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

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, 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, 1997)

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, 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, 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, 2015)

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

Alaska-cedar : a bibliography with abstracts - Harris, A. S. (Pacific Northwest Forest and Range Experiment Station, Institute of Northern Forestry, 1969)

Alberta plants and fungi : master species list and species group checklists - Alberta. Alberta Forestry, Lands; Wildlife. (Alberta Energy, Forestry, Lands and Wildlife, General Services Division, Editorial Services, 1992)

Alberta vegetation species list and species group checklists - Alberta Energy/Forestry, Lands; Wildlife General Services Division. Editorial Services. (Alberta Energy/Forestry, Lands and Wildlife, 1990)

The alpine vascular flora and vegetation of Prospect Mountain, front range, Rocky Mountains, Alberta - Mortimer, Patricia R. (University of Alberta, Dept. of Botany, 1978)

American fern journal - American Fern Society. (American Fern Society, 1995)

American fern journal - American Fern Society. (American Fern Society, 2005)

American fern journal - American Fern Society. (American Fern Society, 2006)

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)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1980)

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.], 1974)

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, 1912)

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

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1916)

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

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, 1916)

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, 1992)

Annali di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1907)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1898)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1994)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1952)

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, 1971)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1975)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1977)

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

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1982)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1983)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1985)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1987)

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, 1989)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1994)

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, 1996)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1999)

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

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2005)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2006)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2008)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2011)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2014)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2015)

L'Année biologique - Fédération des sociétés françaises de sciences naturelles. Office central de faunistique. (Masson, 1913)

Annotated CITES Appendices and Reservations (1998)

Annotated CITES Appendices and Reservations (2001)

Annotated CITES appendices and reservations - IUCN Conservation Monitoring Centre. (IUCN Conservation Monitoring Centre, 1986)

Annotated CITES appendices and reservations 1988 (1988)

Annotated list of the flora of the Beltsville Agricultural Research Center, Beltsville, Maryland - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 2000)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1918)

Annual technical report of the National Plant Materials Center - National Plant Materials Center (U.S.) (Soil Conservation Service, U.S. Dept. of Agriculture, 1980)

Annual technical report of the National Plant Materials Center - National Plant Materials Center (U.S.) (Soil Conservation Service, U.S. Dept. of Agriculture, 1981)

Annual technical report of the National Plant Materials Center - National Plant Materials Center (U.S.) (Soil Conservation Service, U.S. Dept. of Agriculture, 1979)

Annuario del R. Istituto botanico di Roma - Pirotta, Romualdo, 1853 -1936 (R. Istituto botanico de Roma, 1884)

ao men zhi wu zhi - Xing, Fuwu 邢福武 (ao men te bie xing zheng qu min zheng zong shu yuan lin lv hua bu zhong guo ke xue yuan hua nan zhi wu yuan, 2005)

ao men zhi wu zhi zong suo yin 澳门植物志总索引 - Xing, Fuwu 邢福武 (ao men te bie hang zheng qu min zheng zong shu yuan lin lv hua bu zhong guo ke xue yuan hua nan zhi澳门特别行政区民政总署园林绿化部，中国科学院华南植, 2007)

Arbejder fra den Botaniske have i København - Københavns universitet. Botanisk have. (Levin & Munksgaard [etc.], 1902)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1949)

Archives du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Ed. du Muséum, 1954)

The arctic plants of New York City - Granary Books (Firm) (Granary Books, 2015)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2003)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2006)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2008)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2010)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1977)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1979)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1987)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1990)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1998)