Flora of the northwest coast, including the area west of the summit of the Cascade Mountains, from the forty-ninth parallel south to the Calapooia Mountains on the south border of Lane County, Oregon - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New Era Printing Company, 1915)

The flora of the Palouse region. Containing descriptions of all the Spermatophytes and Pteridophytes known to grow wild in the area within 35 kilometers of Pullman, Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Washington Agricultural College and School of Science, 1901)

Flora of the Presidency of Madras - Gamble, J. S. (James Sykes), 1847 -1925 (West, Newman and Adlard, 1915)

Flora of the Queen Charlotte Islands - Calder, James A. (James Alexander), 1915 -1990 (Queen's Printer], 1968)

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 - Lathrop, Earl W., 1924 - (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 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 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 Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New Era Printing Company, 1914)

Flora of the southern United States : containing an abridged description of the flowering plants and ferns of Tennessee, North and South Carolina, Georgia, Alabama, Mississippi, and Florida: arranged according to the natural system - Chapman, A. W. (Alvan Wentworth), 1809 -1899 (Ivison, Blakeman, Taylor & co, 1889)

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)

Flora of the Sultanate of Oman : Piperaceae to Primulaceae - Ghazanfar, Shahina Agha (National Botanic Garden of Belgium, 2003)

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)

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)

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

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)

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

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)

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)

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)