Evolution in the light of modern knowledge : a collective work - Coventry, Alan Freeth, (Blackie and Son Limited, 1925)

Evolution, old and new; or, The theories of Buffon, Dr. Erasmus Darwin, and Lamarck, as compared with that of Mr. Charles Darwin. Op. 4 - Butler, Samuel, 1835 -1902 (Hardwicke and Bogue, 1879)

Experimental and molecular approaches to plant biosystematics - Hoch, Peter C (Missouri Botanical Garden, 1995)

Die Farngattung Niphobolus - Giesenhagen, Karl Friedrich Georg, 1860 -1928 (G. Fischer, 1901)

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, 1903)

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, 1909)

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, 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, 2013)

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

Ferns and fern allies of Canada - Cody, William J. (Research Branch, Agriculture Canada, 1989)

Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns. With a treatise on their cultivation, etc. etc - Smith, John, 1798 -1888 (Hardwicke & Bogue, 1877)

The ferns, fern allies and flowering plants of Rhode Island - Providence Franklin Society. (Providence Franklin Society, 1920)

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

Ferns in their homes and ours - Robinson, John, 1846 -1925 (Whidden, 1894)

Ferns of Kentucky : with sixty full-page etchings and six wood-cuts, drawn by the author, illustrating structure, fertilization, classification, genera, and species - Williamson, John, 1857 -1884 (Printed by J.P. Morton & Co., W. Main Street, 1878)

The ferns of north western India - Hope, C. W. (Bishen Singh Mahendra Pal Singh, 1900)

Ferns of Royal Palm Hammock, descriptions and illustrations of the ferns and fern-allies growing naturally in Royal Palm Hammock and the adjacent Everglades - Small, John Kunkel, 1869 -1938 (1918)

The ferns of South Africa, containing descriptions and figures of the ferns and fern allies of South Africa - Sim, T. R. (Thomas Robertson), 1858 -1938 (University Press, 1915)

The ferns of South Africa, containing descriptions and figures of the ferns and fern allies of South Africa, with localities, cultural notes, & etc - Sim, T. R. (Thomas Robertson), 1858 -1938 (J.C. Juta & Co, 1892)

Fernwort papers presented at a meeting of fern students, held in New York city, June 27, 1900, under the auspices of the Linnaean fern chapter - American Fern Society. (W. N. Clute & Co, 1900)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1957)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1976)