Flora of Berkshire County, Massachusetts - Hoffmann, Ralph, 1870 -1932 (1922)

The flora of British India - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve, 1894)

The flora of British India - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve, 1897)

Flora of Burlington and vicinity; a list of the fern and seed plants growing without cultivation - Flynn, Nellie F., 1861 -1922 (Free Press Printing Co, 1911)

A flora of California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtis & Welch, 1909)

The Flora of Canada - National Museum of Natural Sciences (Canada) (1978)

The Flora of Canada - National Museum of Natural Sciences (Canada) (1979)

A flora of Concord : an account of the flowering plants, ferns, and fern-allies known to have occurred without cultivation in Concord, Massachusetts from Thoreau's time to the present day - Eaton, Richard J. (Museum of Comparative Zoology, Harvard University, 1974)

The flora of Cook County, Illinois, and a part of Lake County, Indiana - Higley, William Kerr, 1860 -1908 ([Chicago Academy of Sciences], 1891)

Flora of Delaware and the Eastern Shore : an annotated list of the ferns and flowering plants of the peninsula of Delaware, Maryland and Virginia - Tatnall, Robert Richardson, 1870 - (Society of Natural History of Delaware, 1946)

Flora of Emmet County, Iowa : a list of the native and introduced plants - Cratty, Robert Irvin, 1853 -1940 (1904)

The flora of Essex County, Massachusetts - Robinson, John, 1846 -1925 (Essex Institute, 1880)

The flora of Essex County, Massachusetts - Peabody Museum of Salem. (Peabody Museum, 1975)

Flora of Illinois, containing keys for identification of flowering plants and ferns - Jones, George Neville, 1904 -1970 (University of Notre Dame Press, 1963)

Flora of Illinois, containing keys for the identification of the flowering plants and ferns - Jones, George Neville, 1904 -1970 (The University Press, 1945)

Flora of Indiana - Deam, Charles Clemon, 1865 -1953 (Wm. B. Burford printing co., contractor for state printing and binding, 1940)

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

The flora of Long Island - Jelliffe, Smith Ely, 1866 -1945 (The New Era Printing Company, 1899)

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

The flora of Montreal Island - Campbell, Robert, 1835 -1921 (s.n.], 1892)

Flora of Mount Desert annotated catalogue of plants - Fernald, Merritt Lyndon, 1873 -1950 (1905)

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 Mexico - Standley, Paul Carpenter, 1884 -1963 (G.P.O, 1915)

A flora of North America : illustrated by coloured figures, drawn from nature - Barton, William P. C. (William Paul Crillon), 1786 -1856 (M. Carey & Sons, 1821)

A flora of North America : illustrated by coloured figures, drawn from nature - Barton, William P. C. (William Paul Crillon), 1786 -1856 (M. Carey & Sons, 1822)

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

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

Flora of Pennsylvania, and botanist's pocket manual : comprising a glossary of botanical terms, analytical tables, and the natural orders ... - Noll, Henry R. (Lippincott, Grambo, 1851)

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

The flora of Richmond County, New York. A catalogue of the phaenogamous and vascular cryptogamous plants, with occasional notes on the same, growing in Richmond Co., independent of cultivation - Britton, Nathaniel Lord, 1859 -1934 (1879)

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

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 Black Hills of South Dakota - Rydberg, Per Axel, 1860 -1931 (Govt. Print. Off, 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 Blue Hills, Middlesex Fells, Stony Brook and Beaver Brook reservations, of the Metropolitan Park Commission, Massachusetts - Massachusetts. Metropolitan Park Commission. (C. M. Barrows, 1896)

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)

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

A flora of the north-east of Ireland : including the Phanerogamia, the Cryptogamia vascularia, and the Muscineae - Corry, Thomas H. (Thomas Hughes), 1859 -1883 (Belfast Naturalists' Field Club, 1888)

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)

Flora of the Patuxent Research Refuge, Maryland - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1940)

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: 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 (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: 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, 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, 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, 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)

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

Flora of the vicinity of New York; a contribution to plant geography - Taylor, Norman, 1883 -1967 (1915)

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)

Flora of Winneshiek County - Shimek, Bohumil, 1861 -1937 (1906)

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

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 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)

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

Flora Telluriana - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 ([Printed for the author by H. Probasco], 1836)

Flora van Nederlandsch Indie¨ - Miquel, Friedrich Anton Wilhelm 1811 -1871 (C. G. van der Post; [etc.], 1855)

Flora Virginica, exhibens plantas - Gronovius, Johannes Fredericus, 1686 -1762 (1762)

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 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)