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 (1878)

Ferns in their homes and ours - Robinson, John, 1846 -1925 (S.E. Cassino, 1878)

Ferns in their homes and ours - Robinson, John, 1846 -1925 (S.E. Cassino, 1879)

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

The ferns of Bombay - Blatter, Ethelbert, 1877 -1934 (D. B. Taraporevala Sons & Co, 1922)

The ferns of British India : being figures and descriptions of ferns from all parts of British India (exclusive of those figured in "The Ferns of Southern India and Ceylon") - Beddome, R. H. (Richard Henry), 1830 -1911 (printed by Gantz Brothers, 1866)

The ferns of Ceylon - Yates, Lorenzo G. (Lorenzo Gordin), 1837 -1909 (Geo. O. Yates, 1887)

The ferns of Derbyshire : illustrated from nature - Howe, W. E. (Bemrose and Lothian [etc.], 1867)

The ferns of Derbyshire, illustrated from nature - Howe, W. E. (Wertheim, Macintosh, and Hunt, 1861)

The ferns of Derbyshire : illustrated from nature - Howe, W. E. (1863)

The ferns of Derbyshire, illustrated from nature, with a preface by the Rev. Gerard Smith - Howe, W. E. (Bemrose, 1877)

The ferns of Great Britain - Sowerby, John E. (John Edward), 1825 -1870 (H.G. Bohn, 1859)

The ferns of Great Britain and Ireland - Lindley, John, 1799 -1865 (Published by Bradbury and Evans, Whitefriars, 1857)

The ferns of Great Britain and Ireland - Lindley, John, 1799 -1865 (Published by Bradbury and Evans, Whitefriars, 1855)

The ferns of Great Britain and their allies, the club-mosses, pepperworts, and horsetails - Pratt, Anne, 1806 -1893 (printed for the Society for Promoting Christian Knowledge, 1871)

The ferns of Great Britain, and their allies the club-mosses, pepperworts, and horsetails - Society for Promoting Christian Knowledge (Great Britain) (Printed for the Society for Promoting Christian Knowledge, 1855)

The ferns of Great Britain - Sowerby, John E. (John Edward), 1825 -1870 (J. E. Sowerby, 1855)

The Ferns of Natal - McKen, Mark J. (1869)

The ferns of New Zealand and its immediate dependencies, with directions for their collection and cultivation - Field, H. C. (Henry Claylands), 1825 -1912 (Griffith, Farren, Okeden, and Welsh, 1890)

The ferns of North America. Colored figures and descriptions, with synonymy and geographical distribution, of the ferns (including the Ophioglossaceae) of the United States of America and the British North American possessions - Eaton, Daniel Cady, 1834 -1895 (S.E. Cassino, 1879)

The ferns of North America colored figures and descriptions, with synonymy and geographical distribution, of the ferns (including the ophioglassaceae) of the United States of America and the British North American possessions - Eaton, Daniel Cady, 1834 -1895 (S.E. Cassino, 1879)

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 Sidmouth. Illustrated with impressions from the ferns themselves - Hutchinson, Peter Orlando. (Harvey, 1862)

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)

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 southern India : being descriptions and plates of the Madras presidency - Beddome, R. H. (Richard Henry), 1830 -1911 (Higginbotham, 1873)

The ferns of southern India. Being descriptions and plates of the ferns of the Madras presidency - Beddome, R. H. (Richard Henry), 1830 -1911 (Printed by Gantz brothers, 1863)

The ferns of the Axe and its tributaries : also of Lyme, Charmouth, Uplyme, and Monkton Wyld, with an account of the flower lobelia urens, found wild near Axminster, and nowhere else in Great Britain - Edwards, Zachary James. (Hamilton, Adams and Co, 1862)

The ferns of the Axe and its tributaries : also of Lyme, Charmouth, Uplyme, and Monkton Wyld, with an account of the flower lobelia urens, found wild near Axminster, and nowhere else in Great Britain - Edwards, Zachary James. (Hamilton, Adams and Co, 1866)

Ferns of the British Isles - Courtauld, Sydney (John Van Voorst, 1877)

The Ferns of the English Lake Country : with a list of varieties - Linton, W. J. (William James), 1812 -1897 (1893)

The ferns of the English lake country, with a list of varieties - Linton, W. J. (William James), 1812 -1897 (Hamilton, Adams, 1865)

The ferns of the English Lake Country; with tables of varieties - Linton, W. J. (William James), 1812 -1897 (Garnett, 1878)

The ferns of Wales - Young, Edward. (T. Thomas, 1856)

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)

Ferny combes : a ramble after ferns in the glens and valleys of Devonshire - Chanter, Charlotte, 1828 -1882 (Lovell Reeve, 1856)

Ferny Combes : a ramble after Ferns in the Glens and Valleys of Devonshire - Chanter, Charlotte, 1828 -1882 (1857)

Festschrift zur Feier des siebzigsten Geburtstages des Herrn Professor Dr. Paul Ascherson (4. Juni 1904) - Graebner, Paul, 1871 -1933 (Verlag von Gebrüder Borntraeger, 1904)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1870)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1875)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1878)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1883)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1903)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1905)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1910)

Field, forest, and garden botany ; a simple introduction to the common plants of the United States east of the 100th meridian, both wild and cultivated - Gray, Asa, 1810 -1888 (American Book Co, 1895)

Field, forest, and garden botany; a simple introduction to the common plants of the United States east of the 100th meridian, both wild and cultivated - Gray, Asa, 1810 -1888 (American book company, 1895)

Field, forest and garden botany : a simple introduction to the common plants of the United States east of the 100th meridian, both wild and cultivated - Gray, Asa, 1810 -1888 (American Book, 1895)

Field, forest, and garden botany; a simple introduction to the common plants of the United States east of the 100th meridian, both wild and cultivated - Gray, Asa, 1810 -1888 (American Book Company, 1895)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1985)

Field notebook - Howard, Richard A. (Richard Alden), (1951)

Field Notebook: Russia 1975 - Hickey, Leo (1975)

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

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1981)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1983)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1989)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1990)