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 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 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, 1974)

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 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 of Winneshiek County - Shimek, Bohumil, 1861 -1937 (Iowa Geological Survey, 1906)

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 - 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 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 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, 1991)

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