Etude des fleurs, botanique élémentaire, descriptive et usuelle - Cariot, Antoine, abbé, 1820 -1883 (Girard et Josserand, 1860)

Etude sur la géographie botanique de l'Europe, et en particulier sur la végétation du plateau central de la France - Lecoq, Henri, 1802 -1871 (J.-B. Baillière, 1854)

Etudes des fleurs botanique, élémentaire, descriptive et usuelle - Cariot, Antoine, abbé, 1820 -1883 (Girard et Josserand, 1854)

Études sur la géographie botanique de l'Europe, et en particulier sur la végétation du plateau central de la France - Lecoq, Henri, 1802 -1871 (H. Baillière, 1854)

Etymologisch-botanisches Handwörterbuch : enthaltend die genaue Ableitung und Erklärung der Namen sämmtlicher botanischen Gattungen, Untergattungen und ihrer Synonyme : mit zahlreichen biographischen und literarischen Notizen versehen ... - Wittstein, Georg Christian, 1810 -1887 (J.J. Palm und E. Enke (A. Enke), 1856)

Die europäischen Hemiptera. Halbflüger. (Rhynchota Heteroptera) - Fieber, Franz Xaver, 1807 -1872 (Carl Gerold's Sohn, 1861)

European plants in peril: a review of threatened plants in the European Community - WCMC (WCMC, 1989)

Evolution of life - Chapman, Henry C. (Henry Cadwalader), 1845 -1909 (1873)

Excursionsflora Deutschlands. Analytische Tabellen zum möglichst leichten und sicheren Bestimmen aller in Deutschland, Deutsch-Oesterreich und der Schweiz wildwachsenden und häufiger cultivirten phanerogamischen und kryptogamischen Gefässpflanzen - Neger, Johann. (F. Korn, 1871)

Excursionsflora für die Schweiz : nach der analytischen Methode - Gremli, A. (August), 1833 -1899 (Druck und Verlag von J.J. Christen, 1874)

Excursionsflora für die Schweiz : Nach der analytischen Methode - Gremli, A. (August), 1833 -1899 (J.J. Christen, 1867)

Excursionsflora für das Grossherzogthum Baden - Seubert, Moritz, 1818 -1878 (J. Engelhorn, 1863)

Expédition dans les parties centrales de l'Amérique du Sud : de Rio de Janeiro à Lima, et de Lima au Para - Castelnau, Francis, comte de, 1812 -1880 (Chez P. Bertrand, 1855)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1908)

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

Farlowia :a journal of cryptogamic botany (Farlow Library and Herbarium of Harvard University, 1945)

Fauna germanica : Hemiptera heteroptera : (Die halbflügler der schnabelkerfe: wanzen) - Hüeber, Theodor, 1848 - (Wagnerschen buchdruckerei, 1893)

Faune de Madagascar : diptères. 22, Insectes - Grjébine, Alexis 1918 -1988 (1966)

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, 2002)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2003)

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, 2012)

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

The ferns and fern allies of New England - Dodge, Raynal, 1844 -1918 (W.N. Clute & Co, 1896)

The ferns and fern allies of the British West Indies and Guiana - Jenman, George Samuel, 1845 -1902 (Printed at the Govt. print. off, 1909)

Ferns and flowering plants of South Dakota - Saunders, De Alton, 1870 -1940 (W.A. Beach, 1899)

Ferns and flowering plants of South Dakota - Saunders, De Alton, 1870 -1940 (U.S. Experiment Station, South Dakota, 1899)

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 (D. Bogue, 1879)

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, 1866)

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 (W. H. Allen & Co., Ltd, 1896)

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 (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)

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)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1890)

The Ficus elastica in Burma proper : or a narrative of my journey in search of it : a descriptive account of its habits of growth and the process followed by the Kakhyens in the preparation of caoutchouc - Strettell, George W. (Printed at the Government Press, 1876)

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

The Field Museum collections and research : Academic Affairs, Center for Evolutionary and Environmental Biology (CEEB), Center for Cultural Understanding and Change (CCUC) - Field Museum of Natural History. (Office of Academic Affairs, The Field Museum, 1997)

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

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

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

Filices insularum philippinarum : collections de M.A. Loher - Christ, H. (Hermann), 1833 -1933 (Imprim. Romet, 1898)

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 Aconiensis; seu, Plantarum in Novariensi Provincia sponte nascentium descriptio - Biroli, Giovanni, 1772 -1825 (Ex Typographia Viglevanensi, 1808)

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)

Flora Atlantica, sive, Historia plantarum quae in Atlante, agro Tunetano et Algeriensi crescunt - Desfontaines, René Louiche, 1750 -1833 (Apud Blanchon, 1800)

Flora atlantica :sive historia plantarum quae in Atlante, agro tunetano et algeriensi crescunt - Desfontaines, René Louiche, 1750 -1833 (L.G. Desgranges, 1798)

Flora australiensis : a description of the plants of the Australian Territory / |c George Bentham ; assisted by Ferdinand Mueller - Bentham, George, 1800 -1884 (L. Reeve, 1863)

Flora australiensis: a description of the plants of the Australian territory - Bentham, George, 1800 -1884 (L. Reeve and co, 1878)

Flora australiensis:a description of the plants of the Australian territory - Bentham, George, 1800 -1884 (L. Reeve and co, 1878)

Flora Badensis, Alsatica et confinium regionum cis et transrhenana plantas a lacu Bodamico usque ad confluentem Mosellae et Rheni sponte nascentes : exhibens secundum systema sexuale cum iconibus ad naturam dileneatis - Gmelin, Carl Christian, 1762 -1837 (In Officina A. Mlleriana, 1805)

Flora boreali-Americana, or, The botany of the northern parts of British America compiled principally from the plants collected by Dr. Richardson & Mr. Drummond on the late northern expeditions, under command of Captain Sir John Franklin, R.N. to which are added (by permission of the Horticultural Society of London) those of Mr. Douglas from north west America and other naturalists - Hooker, William Jackson, Sir, 1785 -1865 (H.G. Bohn, 1840)

Flora boreali-americana, or, the botany of the northern parts of British America : compiled principally from the plants collected by Dr. Richardson & Mr. Drummond on the late northern expeditions, under command of Captain Sir John Franklin, R.N. To which are added (by permission of the Horticultural society of London,) those of Mr. Douglas, from north-west America, and of other naturalists - Hooker, William Jackson, Sir, 1785 -1865 (1840)

Flora Bulgarica : descriptio et enumeratio systematica plantarum vascularium in Principatu Bulgariae sponte nascentium. Supplementum I - Velenovský, J. (Josef), 1858 -1949 (F. Rivnác, 1898)

Flora capensis :being a systematic description of the plants of the Cape colony, Caffraria, & Port Natal (and neighbouring territories) - Harvey, William H. (William Henry), 1811 -1866 (L. Reeve, 1904)

Flora Comense : disposta secondo il sistema di Linneo - Comolli, Giuseppe, 1780 -1849 (C.P. Ostinelli, 1857)

Flora Croatica : exhibens stirpes phanerogamas et vasculares cryptogamas quae in Croatia, Slavonia et Dalmatia sponte crescunt nec non illas quae frequentissime coluntur - Vukotinović, Ljudevit Farkaš, 1813 -1893 (Apud F. Zupan, 1869)