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, 2016)

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

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

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

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, 1919)

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

American men of science; a biographical directory - Cattell, James McKeen, 1860 -1944 (Science Press, 1906)

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

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1911)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1909)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1917)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 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.], 1894)

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.], 1903)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1904)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1907)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1908)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1911)

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

an hui jing ji zhi wu zhi 安徽经济植物志 - Anhui sheng ye sheng zhi wu zong he li yong wei yuan hui bian安徽省野生植物综合利用委员会编 (an hui sheng ye sheng zhi wu zong he li yong wei yuan hui安徽省野生植物综合利用委员会, 1960)

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], 1975)

Analytical key to the ferns and flowering plants in the Atlantic section of middle Florida. (Wild and cultivated) - Baerecke, John Frederic, 1851 -1920 (News Pub. Co, 1914)

The anatomy of woody plants - Jeffrey, Edward C. (Edward Charles), 1866 - (The University of Chicago Press, 1917)

Annaes de sciencias naturaes : revista de historia natural, agricultura, piscicultura, e pescas maritimas - Nobre, Augusto, 1865 -1946 (Typ. Occidental, 1905)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1886)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1888)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1889)

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)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1902)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1907)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1908)

Annales du Jardin botanique de Buitenzorg - Kebun Raya Indonesia. (E.J. Brill [etc.], 1911)

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 di botanica - Università degli studi di Roma "La Sapienza". Dipartimento di biologia vegetale. (Tipografia F. Failli [etc.], 1912)

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

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1888)

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

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1890)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1893)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1894)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1896)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1897)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1899)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1901)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1902)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1903)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1904)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1905)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1906)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1907)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1908)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1910)