Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and the neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1922)

Flora of the Santa Monica Mountains, California - Thompson, Henry J. (University of California, 1986)

A flora of the Santa Rosa plateau : an annotated list of the vascular plants and the plant communities of the Santa Rosa plateau, Santa Ana Mountains - Thorne, Robert F. (s.n, 1985)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahoma and Texas east of the one hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1913)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolin, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana and the Indian territory and in Oklahoma and Texas east of the one-hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1903)

Flora of the southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New Era Printing Company, 1914)

Flora of the state of Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (G.P.O, 1906)

Flora of the state of Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Govt. Print. Off, 1906)

The flora of the town of Southold, Long Island, and Gardiner's Island - Burnham, Stewart H. (Stewart Henry), 1870 -1943 (Torrey Botanical Club, 1914)

Flora of the U.S.S.R - Botanicheskiĭ institut (Akademii︠a︡ nauk SSSR) (Israel Program for Scientific Translations, 1970)

Flora of the U.S.S.R - Botanicheskiĭ institut (Akademii︠a︡ nauk SSSR) (Israel Program for Scientific Translations, 1968)

Flora of the U.S.S.R - Botanicheskiĭ institut (Akademii︠a︡ nauk SSSR) (Israel Program for Scientific Translations, 2004)

Flora of the vicinity of New York; a contribution to plant geography - Taylor, Norman, 1883 -1967 (1915)

A flora of Valentine Eastern Sierra Reserve - Howald, Ann M. (The Herbarium, Department of Biological Sciences, University of California, Santa Barbara, 1981)

Flora of Vermont. List of ferns and seed plants growing without cultivation - Kirk, George Leavitt, 1878 -1966 (Free Press Print. Co, 1915)

A flora of western middle California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtiss and Welch, 1911)

Flora padovana; ossia, Prospetto floristico e fitogeografico delle piante vascolari indigene inselvatichite o largamente coltivate crescenti nella provincia di Padova; con notizie storico-bibliografiche sulle fonti della flora ed illustrata da 20 tavole - Béguinot, Augusto, 1875 -1940 (Prem. Soc. coop. tip, 1909)

Flora Peoriana; the vegetation in the climate of middle Illinois - Brendel, Frederick, 1820 -1912 (J. W. Franks, 1887)

Flora Rossica; sive, Enumeratio plantarum in totius Imperii Rossici provinciis Europaeis, Asiaticis et Americanis hucusque observatarum - Ledebour, Carl Friedrich von, 1785 -1851 (Sumptibus Librariae E. Schweizerbart, 1847)

Flora Rossica; sive, Enumeratio plantarum in totius Imperii Rossici provinciis Europaeis, Asiaticis et Americanis hucusque observatarum - Ledebour, Carl Friedrich von, 1785 -1851 (Sumptibus Librariae E. Schweizerbart, 1853)

Flora tertiaria Italica, auctoribus A. Meschinelli & X. Squinabol - Meschinelli, Luigi, 1865 - (Sumptibus auctorum, typis seminarii, 1892)

Flora van Helder; handleiding tot het bestemmen der in en om Helder, huisduinen en het koegras wildgroeiende en op openbare plaatsen algemeen aangeplante kruiden, heesters en boomen - Hoek, Julie. (C. de Boer, 1901)

Flora Vitiensis nova : a new Flora of Fiji (spermatophytes only) - Smith, Albert C. (Albert Charles), 1906 Apr 5 - (Pacific Tropical Botanical Garden, 1996)

Flora Vitiensis nova : a new Flora of Fiji (spermatophytes only) - Smith, Albert C. (Albert Charles), 1906 Apr 5 - (Pacific Tropical Botanical Garden, 1979)

Die Flora von Bayern : nebst den angrenzenden Gegenden von Hessen, Thu¨ringen, Bo¨hmen, Oestreich und Tyrol sowie von ganz Wu¨rtemberg und Baden - Schnizlein, Adalbert, 1814 -1868 (Verlag von C. Heyder, 1847)

Flora von Bayern - Vollmann, Franz. (E. Ulmer, 1914)

Flora von Bremen und Oldenburg - Buchenau, Franz, 1831 -1906 (Heinsius Nachfolger, 1919)

Flora von Bremen und Oldenburg : zum Gebrauch in Schulen und auf Exkursionen - Buchenau, Franz, 1831 -1906 (M. Heinsius Nachfolger, 1906)

Flora von Brixen a. E.; ein mit Standorts- und Höhenangaben versehenes Verzeichnis der im weiteren Gebiete von Brixen a. E. (Südtirol) beobachteten wildwachsenden höheren Sporen- und Samenpflanzen, der Nutzgewächse und Ziergehölze - Heimerl, Anton, 1857 - (Deuticke, 1911)

Die Flora von Davos - Geissler, Otto. (Richter, 1882)

Flora von Deutschland und Fennoskandinavien sowie von Island und Spitzbergen - Hermann, Friedrich, 1873 - (T. O. Weigel, 1912)

Flora von Erfurt. Verzeichnis der im Kreise Erfurt und seiner nächsten Umgebung beobachteten Gafässpflanzen - Reinecke, Karl L. (C. Villaret, 1914)

Flora von Fiume - Knapp, Josef Armin, 1843 -1899 (1879)

Flora von Freiburg im Breisgau (Schwarzwald, Rheinebene, Kaiserstuhl, Baar) - Neuberger, Joseph. (Herdersche Verlagshandlung, 1912)

Flora von Freiburg im Breisgau (Südl. Schwarzwald, Rheinebene, Kaiserstuhl.) - Neuberger, Joseph. (Herdersche Verlagshandlung, 1903)

Flora von Neu-Vorpommern und den Inseln Rügen und Usedom - Marsson, Theodor Friedrich, 1816 -1892 (W. Engelmann, 1869)

Flora von Neuburg a. D. Verzeichnis der in den Amtsgerichtsbezirken Neuburg a. D., Rain und Monheim und den angrenzenden Teilen des übrigen Schwabens, Mittelfrankens und Oberbayerns wild wachsenden und häufiger kultivierten Gefässpflanzen - Erdner, Eugen. (Druck von Ph. J. Pfeiffer, 1911)

Flora von Nieder-Österreich - Beck-Mannagetta, G. (Günther), 1856 -1931 (C. Gerold, 1890)

Flora von Niederösterreich. Zum Gebrauche auf Excursionen und zum Selbstunterricht - Halácsy, Eugen v., 1842 -1913 (F. Tempsky, 1896)

Flora von Nordhausen und der weiteren Umgegend : systematisches Verzeichnis der wildwachsenden und häufig Kultivierten Gefässpflanzen - Angelrodt, Carl, 1845 -1913 (R. Friedländer & Sohn, 1886)

Flora von Schlesien, preussischen und österreichischen Anteils - Schube, Theodor, 1860 -1934 (Korn, 1904)

Flora von Schlesien, preussischen und österreichischen Antheils, oder, Vom oberen Oder- und Weichsel-Quellen-Gebiet. Nach natürlichen Familien, mit Hinweisung auf das Linnéische System - Wimmer, Friedrich, 1803 -1868 (F. Hirt, 1857)

Flora von Steiermark, eine systematische Bearbeitung der im Herzogtum Steiermark wildwachsenden oder im Grossen gebauten Farn- und Blütenpflanzen nebst einer pflanzengeographischen Schilderung des Landes - Naturwissenschaftlicher Verein für Steiermark. (Borntraeger, 1908)

Flora von Württemberg und Hohenzollern - Kemmler, Carl Albert, 1813 -1888 (Osiander, 1865)

Florae Japonicae familiae naturales :adjectis generum et specierum exemplis selectis - Siebold, Philipp Franz von, 1796 -1866 (Akademie der Wissenschaften, 1845)

Florae Japonicae familiae naturales :adjectis generum et specierum exemplis selectis - Siebold, Philipp Franz von, 1796 -1866 (Akademie der Wissenschaften, 1846)

Florae Romanae prodromus alter : exhibens plantas vasculares circa Romam in Cisapenninis pontificiae dictionis provinciis in Umbria et Piceno sponte venientes : secundum sexuale systema dispositas - Sanguinetti, Pietro, 1802 -1868 (Ex Typographeo Bonarum Artium, 1864)

Florae siculae synopsis, exhibens plantas vasculares in Sicilia insulisque adjacentibus huc usque detectas secundum systema Linneanum dispositas - Gussone, Giovanni, 1787 -1866 (Ex Typis Tramater, 1843)

Floral almanac : containing the flowering season of one thousand and seven hundred phaenogamous plants of Florida - Schaffranek, A. (Palatka News Pub. Co, 1888)

Floran och vegetationen i Kiruna - Simmons, Herman Georg, 1866 -1943 (Nordiska bokhandeln, 1910)

Floras (1865)

Flore de la Suisse. Première ptie, Flore d'excursion - Schinz, Hans, 1858 -1941 (F. Rouge, 1909)

Florida scientist - Florida Academy of Sciences. (Florida Academy of Sciences, 1975)

Florida scientist - Florida Academy of Sciences. (Florida Academy of Sciences, 1977)

Florida scientist - Florida Academy of Sciences. (Florida Academy of Sciences, 1985)

Florida scientist - Florida Academy of Sciences. (Florida Academy of Sciences, 1991)

Florida trees; a handbook of the native and naturalized trees of Florida - Small, John Kunkel, 1869 -1938 (The author, 1913)

Floristicka istrazivanja po jugoistocnoj hrvatskoj - Rossi, Ljudevit, 1850 - (Tisak Kr. Zemaljske Tiskare, 1915)

The flower garden: its design, formation, planting and management, including the description and cultivation of all hardy and half-hardy plants, trees and shrubs adapted for outdoor culture in the British Isles - Sanders, T. W. (Thomas William), 1855 -1926 (W.H. & L. Collingridge)

Flowering plants and ferns of Arizona - Kearney, Thomas H. (Thomas Henry), 1874 -1956 (U.S. Dept. of Agriculture, 1942)

Flowering plants : basswoods to spurges - Mohlenbrock, Robert H., 1931 - (Southern Illinois University Press, 1982)

The flowering plants of Africa; an analytical key to the genera of African phanerogams - Thonner, Franz, 1863 - (Dulau & Co., Ltd, 1915)

Földtani közlöny - Magyar Földtani Társulat. (1954)

Földtani közlöny - Magyar Földtani Társulat. (1957)

Földtani közlöny - Magyar Földtani Társulat. (1959)

Földtani közlöny - Magyar Földtani Társulat. (1962)

Földtani közlöny - Magyar Földtani Társulat. (1994)

Földtani közlöny - Magyar Földtani Társulat. (2002)

Food habits of seven species of American shoal-water ducks - Mabbott, Douglas Clifford, 1893 -1918 (U.S. Dept. of Agriculture, 1920)

Food habits of some winter bird visitants - Gabrielson, Ira Noel, 1889 -1977 (U.S. Dept. of Agriculture, 1924)

Forest restoration of Lincoln Boyhood National Memorial : presettlement, existing vegetation, and restoration management recommendations - United States. National Park Service. (U.S. Dept. of the Interior, National Park Service, Midwest Region, 1989)

The forest trees of Canada - Ross, Alexander Milton, 1832 -1897 (Rowsell & Hutchison, 1875)

Forest trees of the Pacific slope - Sudworth, George B. (George Bishop), 1864 -1927 (Govt. Print. Off, 1908)

Forestry for woodmen - Hanson, Clarence Oldham. (Clarendon Press, 1921)

Forestry for woodmen - Hanson, Clarence Oldham. (Clarendon Press, 1911)

Forestry for woodmen - Hanson, Clarence Oldham. (Clarendon press, 1921)

Forestry for woodmen - Hanson, C. O. (At the Clarendon press, 1911)

Forestry in Minnesota - Green, Samuel Bowdlear, 1859 -1910 (The Eagle printing co, 1898)

Forestry in Minnesota - Green, Samuel Bowdlear, 1859 -1910 (Eagle printing, 1898)

Forestry in Minnesota - Green, Samuel Bowdlear, 1859 -1910 (Pioneer press company, 1902)

Forestry in Minnesota - Geological; Natural History Survey of Minnesota. (Pioneer Press Co, 1902)

Forestry in Minnesota - Geological; Natural History Survey of Minnesota. (Pioneer Press Company, 1902)

Forestry in Minnesota. [2d ed.] Published by the Geological and Natural History Survey of Minnesota - Green, Samuel Bowdlear, 1859 -1910 (Pioneer Press Co, 1902)

Forestry in Minnesota. [2d ed.] Published by the Geological and Natural History Survey of Minnesota - Geological; Natural History Survey of Minnesota. (Pioneer Press Co, 1902)

Forestry quarterly - New York State College of Forestry. (1906)

Forestry quarterly - New York State College of Forestry. (1911)