L'Année biologique - Fédération des sociétés françaises de sciences naturelles. Office central de faunistique. (Masson, 1897)

An annotated bibliography of seagrasses with emphasis on planting and propagation techniques - Coastal Engineering Research Center (U.S.) (U.S. Army, Corps of Engineers, Coastal Engineering Research Center, 1980)

An annotated key to the identification of commonly occurring and dominant genera of algae observed in the phytoplankton of the United States - Greeson, Phillip E. (U.S. Dept. of the Interior, Geological Survey, 1982)

Annuaire de l'Academie des Sciences, des Lettres, et des Beaux-Arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1908)

Annual report - Missouri Botanical Garden. (Board of Trustees, 1910)

Report of the United States Commissioner of Fisheries for the fiscal year ... with appendixes - United States. Bureau of Fisheries. (G.P.O, 1921)

Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended - United States. Bureau of Fisheries. (G.P.O, 1921)

Annual Report of the Regents of the University on the condition of the State Cabinet of Natural History, with catalogues of the same - New York State Museum. (The University, 1870)

Annual report on the New York State Museum of Natural History - New York State Museum. (Regents of the University of the State of New York, 1871)

Annual report Tract C-a : aquatic ecology baseline studies - Gulf Oil Corporation. (Rio Blanco Oil Shale Project, 1976)

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

Aphorismi botanici - Agardh, C. A. (Carl Adolf), 1785 -1859 (Literis Berlingianis, 1817)

"Appendix to the catalogue of the flora of Nebraska." With a supplementary list of recently reported species - Bessey, Charles E. (Charles Edwin), 1845 -1915 (1892)

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 (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)

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, 1985)

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, 1986)

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, 1987)

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, 1988)

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, 1992)

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, 1993)

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, 1994)

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, 2004)

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, 2005)

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, 2006)

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, 2018)

Aquatic microscopy for beginners; or, Common objects from the ponds and ditches - Stokes, Alfred C. (Alfred Cheatham) (E. F. Bigelow, 1896)

Aquatic Phycomycetes - Sparrow, F. K. (Frederick Kroeber), 1903 - (University of Michigan Press, 1960)

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

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1860)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1869)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1877)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1856)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1860)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1894)

Archiv für Naturgeschichte Abteilung B (Nicolai, 1915)

Archiv für Protistenkunde (G. Fischer, 1924)

Archiv für die naturwissenschaftliche Landesdurchforschung von Böhmen - Oba komitéty pro přirodovědecký výzkum země České. (Commissions-Verlag von F. Řivnáč, 1886)

Archiv für die naturwissenschaftliche Landesdurchforschung von Böhmen - Oba komitéty pro přirodovědecký výzkum země České. (Commissions-Verlag von F. Řivnáč, 1893)

Archiv für die naturwissenschaftliche Landesdurchforschung von Böhmen - Oba komitéty pro přirodovědecký výzkum země České. (Commissions-Verlag von F. Řivnáč, 1901)

Archiv für mikroskopische Anatomie (J. Springer [etc.], 1867)

Archiv für Naturgeschichte (Nicolai, 1908)

Archiv pro přírodovědecký výzkum Čech - Oba komitéty pro přirodovědecký výzkum země České. (V komisi Fr. Řivnáče, 1882)

Archiv pro přírodovědecký výzkum Čech - Oba komitéty pro přirodovědecký výzkum země České. (V komisi Fr. Řivnáče, 1887)

Arkiv för botanik - Kungl. Svenska vetenskapsakademien. (Almqvist & Wiksell, 1904)

Arkiv för botanik - Kungl. Svenska vetenskapsakademien. (Almqvist & Wiksell, 1906)

Arkiv för botanik - Kungl. Svenska vetenskapsakademien. (Almqvist & Wiksell, 1909)

Arkiv för botanik - Kungl. Svenska vetenskapsakademien. (Almqvist & Wiksell, 1918)

Arkiv för botanik - Kungl. Svenska vetenskapsakademien. (Almqvist & Wiksell, 1921)

Arkiv för botanik - Kungl. Svenska vetenskapsakademien. (Almqvist & Wiksell, 1917)

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, 2006)