Die farnkräuter der erde. Beschreibende darstellung der geschlechter und wichtigeren arten der farnpflanzen mit besonderer berücksichtigung der exotischen - Christ, H. (Hermann), 1833 -1933 (G. Fischer, 1897)

Die Farnkräuter der Erde : beschreibende Darstellung der geschlechter und wichtigeren Arten der Farnpflanzen mit besonderer Berücksichtigung der Exotischen - Christ, H. (Hermann), 1833 -1933 (G. Fischer, 1897)

Die farnkräuter der jetztwelt, zur untersuchung und bestimmung, der in den formationen der erdrinde eingeschlossenen überreste von vorweltlichen arten dieser ordnung nach dem flächen-skelet - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (Verlag von Carl Gerold's sohn, 1865)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1906)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1907)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1908)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1911)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1912)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1974)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1979)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1985)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1991)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1997)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1999)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2000)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2002)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2004)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2005)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2006)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2008)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2009)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2010)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2012)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2013)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2014)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2015)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2016)

The ferns (Filicales) treated comparatively with a view to their natural classification - Bower, F. O. (Frederick Orpen), 1855 -1948 (University Press, 1923)