Flora of the Rocky Mountains and adjacent plains : Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (Rydberg, 1917)

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

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1917)

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, 1999)

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)

Flora of tropical Africa - Oliver, Daniel, 1830 -1916 (L. Reeve and co, 1868)

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)

Flora of Vermont; a list of the fern and seed plants growing without cultivation - Vermont Botanical Club. (Free Press Association, 1900)

Flora of Virgin Gorda (British Virgin Islands) - Wadsworth, Frank H. (Institute of Tropical Forestry, 1976)

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

A flora of western middle California - Jepson, Willis Linn, 1867 -1946 (Encina Publishing Company, 1901)

Flora of Willoughby, Vermont - Kennedy, George G. (George Golding), 1841 -1918 (1904)

The flora of Yorkshire : with two plates - Baines, Henry. (Longman, Orme, Brown, Green, and Longman, 1840)

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 Polonica phanerogama, sive, Descriptiones plantarum phanerogamicarum in Regno Poloniae tam sponte nascentium quam continuata cultura solo nostro assuefactarum Linnaeana methodo dispositae praemisso conspectu generali familiarum regni vegetabilis naturalium - Waga, Jacob. (Typ. Stanislai Straeski, 1847)

Flora Pyrenaea per ordines naturales gradatim digesta - Penzig, O. (Ottone), 1856 -1929 (U. Hoeplius, 1901)

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, 1842)

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 Sardoa; seu Historia plantarum in Sardinia et adjacentibus insulis vel sponte nascentium vel ad utilitatem latius excultarum - Moris, Giuseppe Giacinto, 1796 -1869 (Ex Regio Typographeo, 1837)

Flora Saxonica. Die Flora von Sachsen, ein botanisches Excursionsbuch. Nebst Schlu¨ssel zum erleichterten Bestimmen der Gattungen nach Linnee's Sexualsystem und deutschem und lateinischem Register - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (In der Arnoldischen Buchhandlung, 1842)

Flora Saxonica. Die Flora von Sachsen, ein botanisches Excursionsbuch ... Nebst Schlu¨ssel zum erleichterten Bestimmen der Gattungen nach Linnee's Sexualsystem - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (In der Arnoldischen Buchh, 1844)

Flora simlensis; a handbook of the flowering plants of Simla and the neighbourhood - Collett, H. (Henry), 1836 -1901 (Thacker, Spink & Co, 1921)

Flora simlensis; a handbook of the flowering plants of Simla and the neighbourhood - Hemsley, W. Botting (William Botting), 1843 -1924 (Thacker, Spink & Co, 1902)

Flora tangutica sive Enumeratio plantarum regionis Tangut (Amdo) provinciae Kansu, nec non Tibetiae praesertim orientaliborealis atque Tsaidam - Maximowicz, C. J, 1827 -1891 (typis Academiae imperialis scientiarum petropolitanae, 1889)

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)

De flora van Nederland - Heukels, Hendrik, 1854 -1936 (N. v. boekhandel en drukkerij voorheen D.J. Brill, 1909)

Flora van Nederlandsch Indie¨ - Miquel, Friedrich Anton Wilhelm 1811 -1871 (C. G. van der Post; [etc.], 1859)

Flora van Nederlandsch Indie¨ - Miquel, Friedrich Anton Wilhelm 1811 -1871 (C. G. van der Post; [etc.], 1855)

Flora Veneta, seu Enumeratio plantarum circa Venetiam nascentium, secundum methodum Linnæanam disposita - Moricand, Stefano, 1780 -1854 (Ex Typ. J.J. Paschoud, 1820)

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)

Flora Vitiensis nova : a new Flora of Fiji (spermatophytes only) - Smith, Albert C. (Albert Charles), 1906 Apr 5 - (Pacific Tropical Botanical Garden, 1991)

Flora von Admont - Strobl, Gabriel, 1846 -1925 (1881)

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 Heidelberg : zum Gebrauche auf Excursionen und zum Bestimmen der in der Umgegend von Heidelberg wildwachsenden und häufig cultivirten Phanerogamen - Schmidt, Johann Anton, 1823 -1905 (J. C. B. Mohr, 1857)

Flora von Kurhessen und Nassau : diagnostischer Theil - Wigand, Albert, 1821 -1886 (T. Kay, 1875)

Flora von Meklenburg, in geographischer, geschichtlicher, systematischer, statistischer u.s.w. Hinsicht - Boll, Ernst, 1817 -1868 (C. Brünslow, 1860)

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)