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 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, 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 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, 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 the neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1922)

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 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 (American Book Company, 1883)

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, 1889)

Flora of the southern United States: containing abridged descriptions 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, Phinney, 1865)

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: arr. according to the natural system - Chapman, A. W. (Alvan Wentworth), 1809 -1899 (American Book Co, 1897)

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 (Cambridge Botanical Supply Co, 1897)

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, 1883)

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, 1887)

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, Phinney, 1860)

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, 1883)

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, 1884)

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 southern United States:containing abridged descriptions 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, Phinney, 1860)

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 upper Susquehanna and its tributaries - Clute, Willard Nelson, 1869 -1950 (W.N. Clute, 1898)

Flora of the U.S.S.R - Botanicheskiĭ institut (Akademii︠a︡ nauk SSSR) (Israel Program for Scientific Translations, 1934)

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 the vicinity of San Francisco - Behr, H. H. (Hans Herman), 1818 -1904 (1888)

Flora of the Yellowstone National Park - Tweedy, Frank, 1854 -1937 (F. Tweedy, 1886)

Flora of the Yellowstone National Park - Tweedy, Frank, 1854 -1937 (Published by the author, 1886)

Flora of tropical Africa - Oliver, Daniel, 1830 -1916 (L. Reeve and co, 1917)

Flora of Utah - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (Marcus E. Jones, 1879)

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 West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (M.W. Donnally, 1892)

Flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (1896)

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 of Worcester County; a catalogue of the phaenogamous and vascular cryptogamous plants of Worcester County, Masachusetts - Jackson, Joseph, 1847 -1924 (1894)

Flora, or, Vegetable life of the mountain - Jackson, Robert Montgomery Smith, 1815 -1865 (Lippincott, 1860)

Flora Orientalis : sive, Enumeratio plantarum in Oriente a Graecia et Aegypto ad Indiae fines hucusque observatarum - Boissier, Edmond, 1810 -1885 (H. Georg, 1867)

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 Pedemontana : sive Species plantarum Phanerogamarum in Pedemonte et Liguria sponte nascentium ... - Zumaglini, Antonio Mauritio, 1804 -1866 (J. Favale, 1849)

Flora piacentina; ossia, Enumerazione sistematica delle piante della provincia di Piacenza, coll'indicazione delle loro stazioni, dei caratteri principali di ciascuna famiglia, dei nomi italiani, di quelli del dialetto piacentino, con osservazioni e note etimologiche - Bracciforti, Alberto, 1838 - (Tip. F. Solari, 1877)

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, 1853)

Flora Scotica, or A description of Scottish plants arranged both according to the artificial and natural methods ; in two parts - Hooker, William Jackson, Sir, 1785 -1865 (printed by Richard and Arthur Taylor..., for Archibald Constable and Co...,and Hurst, Robinson, and Co, 1821)

Flora scotica, or, A description of Scottish plants arranged both according to the artificial and natural methods : in two parts - Hooker, William Jackson, Sir, 1785 -1865 (Hurst, Robinson, 1821)

La flora segusina di G. Francesco Re - Lessona, Michele, 1823 -1894 (1881)

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

Flora taxonómica mexicana : Plantas vasculares - Conzatti, Cassiano, 1862 -1951 ([editor no identificado], 1946)

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.], 1855)

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

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

Flora von Bern; systematische Uebersicht der in der Gegend von Bern wildwachsenden und allgemein cultivirten Phanerogamen und Gefässkryptogamen - Fischer, Ludwig, 1828 -1907 (Huber, 1888)

Flora von Bosnien, der Herzegowina und des Sandzaks Novipazar. I. Theil - Beck-Mannagetta, G. (Günther), 1856 -1931 (In Kommission bei C. Gerold, 1904)

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

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

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

Flora von Niederhessen und Münden. Beschreibung aller im Gebiete wildwachsenden und im Grossen angebauten Pflanzen - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (T. Fischer, 1847)

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

Flora von Nord- und Mittel-Deutschland. Zum Gebrauche auf Excursionen in Schulen und beim Selbstunterricht, bearb. von August Garcke - Garcke, Aug. (August), 1819 -1904 (Wiegandt und Hempel, 1873)

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 Ober-Oesterreich, oder, Systematische Uebersicht aller in diesem Kronlande wildwachsenden oder im Freien gebauten Samenpflanzen - Brittinger, Christian. (1862)

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 : systematische Übersicht der in Steiermark wildwachsenden und allgemein gebauten blühenden Gewächse und Farne : mit Angabe der Standorte, der Blütezeit und Dauer - Maly, Josef Karl, 1797 -1866 (Wilhelm Braumüller, 1868)