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

American fern journal - American Fern Society. (American Fern Society, 1996)

American fern journal - American Fern Society. (American Fern Society, 1997)

American fern journal - American Fern Society. (American Fern Society, 1998)

American fern journal - American Fern Society. (American Fern Society, 2000)

American fern journal - American Fern Society. (American Fern Society, 2001)

American fern journal - American Fern Society. (American Fern Society, 2002)

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

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

American fern journal - American Fern Society. (American Fern Society, 2007)

American fern journal - American Fern Society. (American Fern Society, 2008)

American fern journal - American Fern Society. (American Fern Society, 2009)

American fern journal - American Fern Society. (American Fern Society, 2010)

American fern journal - American Fern Society. (American Fern Society, 2011)

American fern journal - American Fern Society. (American Fern Society, 2012)

American fern journal - American Fern Society. (American Fern Society, 2013)

American fern journal - American Fern Society. (American Fern Society, 2015)

American fern journal - American Fern Society. (American Fern Society, 2017)

American fern journal - American Fern Society. (American Fern Society, 2019)

American fern journal - American Fern Society. (American Fern Society, 2016)

American fern journal - American Fern Society. (American Fern Society, 2018)

American fern journal - American Fern Society. (American Fern Society, 2020)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1921)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1923)

American men of science; a biographical directory - Cattell, James McKeen, 1860 -1944 (The Science Press, 1921)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1889)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1896)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1897)

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

American plants ... [Descriptions, bibliographical notes, synonymy, and other information, comp. from many sources] - Orcutt, Charles Russell, 1864 -1929 (1907)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1972)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1975)

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)

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.], 1980)

An analysis of the British ferns and their allies - Francis, George William, 1800 -1865 (Simpkin & Marshall, 1851)

An analysis of the British ferns and their allies - Henfrey, Arthur, 1819 -1859 (1855)

An analysis of the British ferns and their allies - Francis, George William, 1800 -1865 (Simpkin & Marshall, 1842)

The anatomy of the Osmundaceae - Faull, J. H. (Joseph Horace), 1870 -1961 (s.n, 1902)

Anleitung zum Sammeln der Kryptogamen - Sydow, P. (Paul), 1851 -1925 (J. Hoffmann, 1885)

Annales des sciences naturelles. Botanique (Fortin, Masson, 1899)

Annales des sciences naturelles. Botanique (Fortin, Masson, 1911)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1888)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1923)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1910)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1897)

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)

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Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1887)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1889)