American fern journal - American Fern Society. (American Fern Society, 1960)

American fern journal - American Fern Society. (American Fern Society, 1961)

American fern journal - American Fern Society. (American Fern Society, 1962)

American fern journal - American Fern Society. (American Fern Society, 1963)

American fern journal - American Fern Society. (American Fern Society, 1964)

American fern journal - American Fern Society. (American Fern Society, 1965)

American fern journal - American Fern Society. (American Fern Society, 1966)

American fern journal - American Fern Society. (American Fern Society, 1967)

American fern journal - American Fern Society. (American Fern Society, 1968)

American fern journal - American Fern Society. (American Fern Society, 1970)

American fern journal - American Fern Society. (American Fern Society, 1972)

American fern journal - American Fern Society. (American Fern Society, 1974)

American fern journal - American Fern Society. (American Fern Society, 1975)

American fern journal - American Fern Society. (American Fern Society, 1976)

American fern journal - American Fern Society. (American Fern Society, 1981)

American fern journal - American Fern Society. (American Fern Society, 1983)

American fern journal - American Fern Society. (American Fern Society, 1984)

American fern journal - American Fern Society. (American Fern Society, 1985)

American fern journal - American Fern Society. (American Fern Society, 1987)

American fern journal - American Fern Society. (American Fern Society, 1989)

American fern journal - American Fern Society. (American Fern Society, 1990)

American fern journal - American Fern Society. (American Fern Society, 1991)

American fern journal - American Fern Society. (American Fern Society, 1992)

American fern journal - American Fern Society. (American Fern Society, 1993)

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, 1998)

American fern journal - American Fern Society. (American Fern Society, 1999)

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, 2003)

American fern journal - American Fern Society. (American Fern Society, 2005)

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, 2011)

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, 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, 1917)

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

The American journal of science (J.D. & E.S. Dana, 1903)

The American journal of science (J.D. & E.S. Dana, 1913)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1822)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1883)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1859)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1878)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1882)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1888)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1891)

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.], 1898)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1899)

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.], 1905)

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