Flora of Colorado - Rydberg, Per Axel, 1860 -1931 (Experiment Station, 1906)

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 County Kerry : including the flowering plants, ferns, Characeae, &c - Scully, Reginald William, 1858 -1935 (Hodges, Figgis, 1916)

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)

The flora of Dumfriesshire, including part of the Stewartry of Kirkcudbright - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. Maxwell, 1896)

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)

The flora of Forfarshire - Gardiner, William (Longman, Brown, Green, and Longmans, 1848)

Flora of Forfarshire - Gardiner, William (Longman, Brown, Green and Longman, 1848)

The flora of Glamorgan, including the spermaphytes & vascular cryptogams, with index - Cardiff Naturalists' Society. (Printed for the Society by W. Lewis, 1911)

Flora of Guernsey and the lesser Channel Islands: namely, Alderney, Sark, Herm, Jethou, and the adjacent islets - Marquand, Ernest David, 1848 -1918 (Dulau, 1901)

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 Japan : in English : combined, much revised and extended translation - Meyer, Frederick G, 1917 -2006 (Smithsonian Institution, 1965)

Flora of Lake Quinsigamond - Stone, George E. (George Edward), 1860 -1941 (Mass. Agricultural College, 1900)

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

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

Flora of Mount Desert Island, Maine : a preliminary catalogue of the plants growing on Mount Desert and the adjacent islands - Davis, William Morris, 1850 -1934 (J. Wilson, 1894)

Flora of Mount Desert island, Maine. A preliminary catalogue of the plants growing on Mount Desert and the adjacent islands - Davis, William Morris, 1850 -1934 (J. Wilson and son, 1894)

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 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)

The flora of Oxfordshire; being a topographical and historical account of the flowering plants and ferns found in the county, with sketches of the progress of Oxfordshire botany during the last three centuries - Druce, George Claridge, 1850 -1932 (Parker and Co, 1886)

The flora of Perthshire - White, Francis Buchanan, 1842 -1894 (Perthshire Society of Natural Science, 1898)

FLORA OF RUSSIA - Fedorov, A. A. (Andrei Aleksandrovich) (A.A.Balkema Publishers)

The flora of South Africa with synoptical tables of the genera of the higher plants - Marloth, R. (Rudolf), 1855 -1931 (Darter Bros. & Co, 1913)

Flora of South Australia - Black, J. M. (John McConnell), 1855 -1951 (Printed by R.E.E. Rogers, Government Printer, 1922)

Flora of southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (New Era, 1914)

Flora of southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New era printing company, 1914)

Flora of Southern Africa : the Republic of South Africa, Basutoland, Swaziland and South West Africa - Codd, L. E. W. (Govt. Printer, 1966)

Flora of Southern Africa : the Republic of South Africa, Basutoland, Swaziland and South West Africa - Codd, L. E. W. (Govt. Printer, 1986)

Flora of southern and Lower California : a check-list of the flowering plants and ferns - Orcutt, Charles Russell, 1864 -1929 ([s.n.], 1885)

Flora of southern and Lower California. A check-list of the flowering plants and ferns - Orcutt, Charles Russell, 1864 -1929 (1885)

Flora of southern British Columbia and Vancouver Island : with many references to Alaska and northern species - Henry, Joseph Kaye. (W.J. Gage, 1915)

Flora of southern British Columbia and Vancouver Island with many references to Alaska and northern species - Henry, Joseph Kaye. (W.J. Gage, 1915)

Flora of southern British Columbia and Vancouver Island with many references to Alaska and northern species - Henry, Joseph Kaye. (Gage, 1915)

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 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)

A flora of the English Lake District - Baker, John Gilbert, 1834 -1920 (G. Bell, 1885)

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)

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)

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 Queen Charlotte Islands - Calder, James A. (James Alexander), 1915 -1990 (Queen's Printer], 1968)

The flora of the Raritan formation - Berry, Edward Wilber, 1875 -1945 (MacCrellish & Quigley, printers, 1911)

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 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)

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 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 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)