Flora of the District of Columbia and vicinity. By A.S. Hitchcock and Paul C. Standley, with the assistance of the botanists of Washington - Standley, Paul Carpenter, 1884 -1963 (Govt. print. off, 1919)

A flora of the economic plants of California, for agricultural students, including the important crop plants, agricultural weeds, poisonous plants, honey plants, medicinal plants, chaparral shrubs, native timber trees, and the most common native plants of the spring flowering - Jepson, Willis Linn, 1867 -1946 (Associated students store, 1924)

Flora of the four corners region : vascular plants of the San Juan River drainage, Arizona, Colorado, New Mexico, and Utah / Kenneth D. Heil...[et al.] - Heil, Kenneth D. (Missouri Botanical Garden, 2013)

Flora of the Indiana dunes, a handbook of the flowering plants and ferns of the lake Michigan Coast of Indiana and of the Calumet District - Peattie, Donald Culross, 1898 -1964 (Field Museum of Natural History, 1930)

Flora of the John Day Valley, Oregon - Henderson, L. F. (Louis Fourniquet), 1853 -1942

Flora of the Manyberries Research Substation - Smoliak, S. (Research Branch, Agriculture Canada, 1985)

The flora of the North Appalachian Experimental Watershed and surrounding territory - Moldenke, Harold N. (Harold Norman), 1909 -1996 (Soil Conservation Service, U.S.D.A, 1943)

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)

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 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)

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, 1967)

Flora of the U.S.S.R - Botanicheskiĭ institut (Akademii︠a︡ nauk SSSR) (Israel Program for Scientific Translations, 2000)

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)

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

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

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

Floras (1865)

Flore de l'île de Lesbos : plantes sauvages et cultivées - Candargy, C. A. (A. Diggelmann, 1889)

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, 1991)

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