Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1899)

Anales del Ministerio de Fomento de la República Mexicana - Mexico. Ministerio de Fomento. (Imprenta de Francisco DÃaz de LeÃ³n, 1898)

Anales del Museo Michoacano - León, Nicolás, 1859 -1929 (1888)

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)

Analytical class-book of botany - Green, Frances H. (Frances Harriet), 1805 -1878 (Appleton, 1859)

Analytical class-book of botany : designed for academies and private students. In two parts: Part 1. Elements of vegetable structure and physiology - Green, Frances H. (Frances Harriet), 1805 -1878 (D. Appleton, 1856)

Analytical class-book of botany, designed for academies and private students. In two parts: Part 1. Elements of vegetable structure and physiology - Green, Frances H. (Frances Harriet), 1805 -1878 (D. Appleton, 1855)

Analytical class-book of botany : designed for academies and private students - Green, Frances H. (Frances Harriet), 1805 -1878 (D. Appleton and Co, 1854)

An analytical key to some of the common flowering plants of the Rocky Mountain Region - Nelson, Aven, 1859 -1952 (D. Appleton and Company, 1902)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1913)

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

Annales de la Société royale d'agriculture et de botanique de Gand : journal d'horticulture et des sciences accessoires - Morren, Charles, 1807 -1858 (Société royale d'agriculture et de botanique, 1848)

Annales des sciences naturelles. Botanique (Fortin, Masson, 1847)

Annales des sciences naturelles. Botanique (Fortin, Masson, 1856)

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

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1857)

Annals of horticulture ; and year-book of information on practical gardening (Charles Cox, 1847)

Annals of horticulture ; and year-book of information on practical gardening (Charles Cox, 1849)

Annals of horticulture ; and year-book of information on practical gardening (Charles Cox, 1850)

Annals of natural history (R. and J.E. Taylor, 1838)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1901)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1902)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1909)

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

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1937)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1971)

Annals of the Lyceum of Natural History of New York - Lyceum of Natural History (New York, N.Y.) (1828)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1916)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1935)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1940)

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, 1981)

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, 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, 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, 2006)

Annotated bibliography of 40 birds in the California desert - United States. Bureau of Land Management. ([S.l, 1978)

Annotated list of the ferns and flowering plants of New York state - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1924)

Annual descriptive catalogue of Alfred Bridgeman flower, vegetable and grass seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1898)

Annual descriptive catalogue of high grade seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Breck & Sons, 1908)

Annual descriptive catalogue of high grade seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Breck & Sons, 1910)

Annual descriptive catalogue of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1897)

Annual descriptive catalogue of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alfred Bridgeman, 1896)

Annual illustrated and descriptive catalogue of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Schlegel & Fottler, 1885)

Annual report - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (The Station, 1955)

Annual report - Missouri Botanical Garden. (Board of Trustees, 1895)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1905)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1915)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1928)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1933)

Annual report of the Director to the Board of Trustees for the year - Field Museum of Natural History. (Field Museum of Natural History, 1910)

Annual report of the Director to the Board of Trustees for the year - Field Museum of Natural History. (Field Museum of Natural History, 1911)

Annual report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1903)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1910)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1912)

Annual report of the New Jersey State Museum : including a report of the Plants of Southern New Jersey, with especial reference to the Flora of the Pine Barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (MacCrellish & Quigley, 1910)

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

Annual report : terrestrial baseline studies - Ecology Consultants, inc. (Rio Blanco Oil Shale Project, 1976)

Aphids of the Rocky Mountain region, including primarily Colorado and Utah, but also a bordering area composed of southern Wyoming, southeastern Idaho and northern New Mexico - Palmer, Miriam Augusta, 1878 - (Hirschfield Press], 1952)

Appendix C., vegetation/agricultural resources of the Beal Project area - Culwell, L. Dean. (Western Technology and Engineering, 1988)

Apuntes para la flora zacatecana - Amador, Elías 1848 -1917 (Tip del Hospicio de Niños en Guadalupe, 1899)

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)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 1992)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 1997)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 1999)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2000)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2001)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2002)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2003)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2009)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2011)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2013)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2014)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2015)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2016)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2018)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2019)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2020)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2022)

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

Arboreta and botanic gardens : a publication of the Los Angeles County Department of Arboreta and Botanic Gardens - California Arboretum Foundation. (California Arboretum Foundation, 1991)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1950)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1953)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1955)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1956)

Archhelenis und Archinotis : gesammelte Beiträge zur Geschichte der neotropischen Region - Ihering, H. von (Hermann), 1850 -1930 (W. Engelmann, 1907)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1857)

Archiv für Naturgeschichte (Nicolai, 1844)

Archiv für Naturgeschichte (Nicolai, 1846)

Archiv für Naturgeschichte (Nicolai, 1848)

Archiv für Naturgeschichte (Nicolai, 1849)

Archiv für Naturgeschichte (Nicolai, 1855)

The Arctic prairies : a canoe-journey of 2,000 miles in search of the caribou : being the account of a voyage to the region north of Aylmer lake - Seton, Ernest Thompson, 1860 -1946 (Constable, 1912)

Arctic searching expedition: a journal of a boat-voyage through Rupert's Land and the Arctic Sea, in search of the discovery ships under command of Sir John Franklin. With an appendix on the physical geography of North America - Richardson, John, Sir, 1787 -1865 (Longman, Brown, Green, and Longmans, 1851)

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

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 1994)

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, 2007)

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)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1976)

As California wild flowers grow: suggestions to nature lovers - Chandler, Katherine. (Harr Wagner Publishing Co, 1922)

Asa Gray and John Torrey correspondence, 1831-1871 - Gray, Asa, 1810 -1888 (1844)

Asa Gray and John Torrey correspondence, 1831-1871 - Gray, Asa, 1810 -1888 (1845)

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