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

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)

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, 1839 -1884 (Printed by J.P. Morton, 1878)

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)

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

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 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)

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)

Ferns of the Ottawa district - Cody, William J. (Research Branch, Dept. of Agriculture, 1978)

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

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)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1897)

A few flowers worthy of general culture : an effort to win for hardy plants, a recognition of their great wealth of beauty - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (B.A. Elliott Co, 1892)

Field and forest - Potomac-side Naturalists' Club. (Columbia Press, 1876)

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 Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, & co, 1868)

Field, forest, and garden botany, a simple introduction to the common plants of the United States, east of the Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1868)

Field, forest, and garden botany, a simple introduction to the common plants of the United States east of the Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (American Book Co, 1868)

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 Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1869)

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 guide to northeastern ferns - Ogden, Eugene Cecil. (University of the State of New York, State Education Dept, 1981)

Field guide to the aquatic plants of Lake George, New York - Ogden, Eugene Cecil. (University of the State of New York, State Education Dept, 1976)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1982)

The Field naturalist's quarterly - Leighton, Gerald (Gerald Rowley), 1868 - (George A. Morton, 1902)

Field notebook : Jamaica - Howard, Richard A. (Richard Alden), (1953)

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

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1951)

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, 1984)

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

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1992)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1994)

Filices Africanae. Revisio critica omnium hucusque cognitorum cormophytorum Africae indigenorum additamentis Braunianis novisque Africanis speciebus ex reliquiis Mettenianis adaucta. Accedunt Filices Deckenianae et Petersianae - Kuhn, Maximilian, 1842 -1894 (W. Engelmann, 1868)

Filices Horti Botanici Lipsiensis. Die Farne des botanischen Gartens zu Leipzig - Mettenius, G. (Georg), 1823 -1866 (L. Voss, 1856)

Filices Madagascarienses - Palacký, Jan, 1830 -1908 (Palacký, 1906)

Les filicinées du Québec ... - Marie-Victorin, frère, E.C., 1885 -1944 ([Imprimerie populaire, limitée], 1923)

First biennial report of the progress of the Geological survey of Michigan, embracing observations on the geology, zoölogy and botany of the lower peninsula. Made to the governor, December 31, 1860 - Winchell, Alexander, 1824 -1891 (Hosmer & Kerr, printers to the state, 1861)

Flórula de las reservas biológicas de Iquitos, Perú : Allpahuayo-Mishana, Explornapo Camp, Explorama Lodge - Missouri Botanical Garden. (Missouri Botanical Garden, 1997)

Flórula del Parque Nacional Natural Amacayacu, Amazonas, Colombia - Missouri Botanical Garden. (Missouri Botanical Garden, 2005)

Flora Americae Septentrionalis : or, A systematic arrangement and description of the plants of North America. Containing, besides what have been described by preceding authors, many new and rare species, collected during twelve years travels and residence in that country - Pursh, Frederick, 1774 -1820 (Printed for James Black and son, 1816)

Flora Americae Septentrionalis; or, A systematic arrangement and description of the plants of North America. Containing, besides what have been described by preceding authors, many new and rare species, collected during twelve years travels and residence in that country - Pursh, Frederick, 1774 -1820 (Printed for White, Cochrance, and co, 1814)