Flora of Lancaster County; being descriptions of the seed- plants growing naturally in Lancaster County, Pennsylvanial - Small, John Kunkel, 1869 -1938 (1913)

Flora of Marlborough; with notices of birds and a sketch of the geological features of the neighborhood - Preston, T. A. (J. Van Voorst, 1863)

Flora of Mauritius and the Seychelles : a description of the flowering plants and ferns of those islands - Baker, John Gilbert, 1834 -1920 (L. Reeve, 1877)

Flora of Middlesex : a topographical and historical account of the plants found in the county : with sketches of its Physical Geography and climate and of the progress of Middlesex Botany during the last three centuries - Trimen, Henry, 1843 -1896 (R. Hardwicke, 1869)

Flora of Middlesex County, Massachusetts - Collins, Frank S. (Frank Shipley), 1848 -1920 (Middlesex Institute, 1888)

Flora of Nebraska; a list of the conifers and flowering plants of the state with keys for their determination - Petersen, Niels Frederick, 1877 - (1912)

Flora of Nebraska; a list of the conifers and flowering plants of the state, with keys for their determination - Petersen, Niels Frederick, 1877 - (Printed by State Printing Co, 1912)

Flora of Nebraska; a list of the ferns, conifers and flowering plants of the state with keys for their determination - Petersen, Niels Frederick, 1877 - (1923)

Flora of New Bedford and the shores of Buzzards Bay, with a procession of the flowers - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony, 1891)

Flora of New Bedford and the shores of Buzzards Bay, with a procession of the flowers - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony, 1911)

The flora of New England : a manual for the identification of all vascular plants including ferns and fern allies growing without cultivation in New England - Seymour, Frank Conkling. (H.N. and A.L. Moldenke, 1982)

Flora of New Providence and Andros, with an enumeration of the plants collected by John I. Northrop and Alice R. Northrop, in 1890 - Northrop, John I., 1861 -1891 (Torrey Botanical Club, 1902)

A flora of North America :containing abridged descriptions of all the known indigenous and naturalized plants growing north of Mexico, arranged according to the natural system - Gray, Asa, 1810 -1888 (Wiley & Putnam, 1841)

Flora of Northeastern Pennsylvania - Twining, Alfred, 1853 -1922 (Everhart Museum of Natural History, Science and Art, 1917)

Flora of northeastern Pennsylvania - Everhart Museum. (Everhart Museum of Natural History, Science and Art, 1917)

Flora of Onondaga county as collected by the members of the Syracuse Botanical Club - Goodrich, L. Leonora Hutchinson. (McDonnell, 1912)

Flora of Pennsylvania - Small, John Kunkel, 1869 -1938 (Ginn & Company, 1903)

Flora of Pennsylvania - Noll, Henry R. (Lippincott, Grambo, and compay, 1851)

Flora of Pennsylvania - Small, John Kunkel, 1869 -1938 (Ginn & Co, 1903)

Flora of Plymouth: an account of the flowering plants and ferns found within twelve miles of the town; history of local botanical investigation - Briggs, Thomas Richard Archer, 1836 -1891 (J. Van Voorst, 1880)

The flora of Rensselaer County, New York. A record of the phenogams and vascular cryptogams growing in said district, independent of cultivation - Gordinier, Herman Camp, 1864 -1930 (H.B. Nims, 1894)

The flora of Scott and Muscatine counties - Barnes, William David, 1868 -1938 (1900)

The flora of Suffolk a topographical enumeration of the plants of the county, showing the results of former observations and of the most recent researches - Hind, Wheelton, 1859 -1920 (Gurney and Jackson, 1889)

Flora of Sussex; or a list of the flowering plants & ferns found in the county of Sussex, with localities of the less common species - Arnold, Frederick Henry. (Simpkin [et al.], 1907)

The flora of Switzerland - Gremli, A. (August), 1833 -1899 (Orell, Füssli & Co, 1888)

The flora of Switzerland for the use of tourists and field-botanists - Gremli, A. (August), 1833 -1899 (D. Nutt, 1889)

The flora of Tennessee and a philosophy of botany, respectfully dedicated to the citizens of Tennessee - Gattinger, Augustin, 1825 -1903 (Press of Gospel Advocate Publishing Company, 1901)

Flora of the Allegany state park region - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1927)

Flora of the Blue Hills, Middlesex Fells, Stony Brook and Beaver Brook reservations, of the Metropolitan Park Commission, Massachusetts - Massachusetts. Metropolitan Park Commission. (C.M. Barrows, 1896)

Flora of the Blue Hills, Middlesex Fells, Stony Brook and Beaver Brook reservations, of the Metropolitan Park Commission, Massachusetts - Massachusetts. Metropolitan Park Commission. (C. M. Barrows, 1896)

Flora of the Bristol coal-field - Bristol Naturalists' Society (Bristol, England) (J. Fawn & Son [etc.], 1881)

Flora of the Bristol coal-field - Bristol Naturalists' Society (Bristol, England) (J. Fawn [etc.], 1881)

The flora of the Cayuga Lake Basin, New York. Vascular plants - Eames, Arthur J., 1881 -1969 (The University, 1926)

Flora of the Columbia County area, New York - McVaugh, Rogers, 1909 -2009 (University of the State of New York, 1958)

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)

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)

A flora of the islands of Jersey, with a list of the plants of the Channel Islands in general, and remarks upon their distribution and geographical affinities - Lester-Garland, Lester Vallis, 1860 -1944 (West, Newman, 1903)

The flora of the Malay Peninsula - Ridley, H. N. (Henry Nicholas), 1855 -1956 (L. Reeve & co., ltd, 1922)

Flora of the Miami Valley, Ohio /c by A.P. Morgan - Morgan, A. P., 1836 -1906 (Literary Union, 1878)

A flora of the northern and middle sections of the United States; or, A systematic arrangement and description of all the plants hitherto discovered in the United States north of Virginia. Vol. 1 - Torrey, John, 1796 -1873 (Swords, 1824)

The flora of the presidency of Bombay - Cooke, Theodore. (Taylor and Francis, 1903)

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 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, 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, 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, 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 upper Gangetic plain, and of the adjacent Siwalik and sub-Himalayan tracts - Parker, R. N. (Superintendent of Government Printing, 1903)

Flora of the upper Gangetic plain, and of the adjacent Siwalik and sub-Himalayan tracts - Parker, R. N. (Superintendent of Government Printing, 1911)

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, 1968)

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, 1905)

Flora of tropical Africa - Oliver, Daniel, 1830 -1916 (L. Reeve and co, 1906)

Flora of tropical Africa - Oliver, Daniel, 1830 -1916 (L. Reeve and co, 1899)

Flora of tropical Africa - Oliver, Daniel, 1830 -1916 (L. Reeve and co, 1901)

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 (1896)

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

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