Annual report of the Maine Agricultural Experiment Station - Maine Agricultural Experiment Station. (Maine State College, 1885)

Annual report of the Ohio State Academy of Science - Ohio Academy of Science. (The Academy, 1903)

Annual report of the Ohio State Academy of Science - Ohio Academy of Science. (The Academy, 1904)

Annual report of the Ohio State Academy of Science - Ohio Academy of Science. (The Academy, 1892)

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

The anthocyanin pigments of plants - Onslow, Muriel Wheldale 1880 -1932 (University Press, 1916)

Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1903)

Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1907)

Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1864)

Anzeiger - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (In Kommission bei A. Hölder, 1914)

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, 2007)

Aphididae of Formosa - Takahashi, Ryoichi, 1898 -1963 (The Institute, 1924)

Applied and economic botany, especially adapted for the use of students in technical schools, agricultural, pharmaceutical and medical colleges, and also as a book of reference for chemists, food analysts and students engaged in the morphological and physiological study of plants - Kraemer, Henry, 1868 -1924 (The author, 1914)

Applied and economic botany for students in technical and agricultural schools, pharmaceutical and medical colleges, for chemists, food analysts and for the those engaged in the morphological and physiological study of plants - Kraemer, Henry, 1868 -1924 (Wiley, 1916)

Applied and economic botany for students in technical and agricultural schools, pharmaceutical and medical colleges, for chemists, food analysts and for those engaged in the morphological and physiological study of plants - Kraemer, Henry, 1868 -1924 (J. Wiley & Sons, inc, 1916)

Applied and economic botany for students in technical and agricultural schools, pharmaceutical and medical colleges, for chemists, food analysts and for those engaged in the morphological and physiological study of plants - Kraemer, Henry, 1868 -1924 (Wiley, 1916)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2001)

Aquatic and wetland plants of southwestern United States - Correll, Donovan Stewart, 1908 -1983 (Environmental Protection Agency; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972)

Arbeiten des Botanischen Instituts in Würzburg - Sachs, Julius, 1832 -1897 (Engelmann, 1888)

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, 1947)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1913)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1880)

Archivos do Jardim Botânico do Rio de Janeiro - Jardim Botânico do Rio de Janeiro. (Jardim Botanico, 1915)

Archivos do Museu Nacional do Rio de Janeiro - Museu Nacional (Brazil) ([Cysneiros & Cia, 1905)

Archivos do Museu Nacional do Rio de Janeiro - Museu Nacional (Brazil) ([Cysneiros & Cia, 1968)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 1993)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 1995)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 1996)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 1998)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 1999)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2002)

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, 2005)

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, 2009)

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

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2011)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2014)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2015)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2016)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2018)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1968)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1972)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1973)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1984)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1994)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1970)

Asa Gray and John Torrey correspondence, 1831-1871 - Gray, Asa, 1810 -1888 (1847)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1958)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1961)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1963)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1969)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1967)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1970)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1976)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1979)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1986)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1997)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1955)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1957)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1962)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1965)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1967)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1969)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1972)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1975)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1979)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1981)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1983)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1985)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1987)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1988)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1991)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1992)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1994)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 2002)