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)

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)

Flora of Derbyshire: flowering plants, higher cryptogams, mosses and hepatics, Characeae - Linton, William Richardson, 1850 -1898 (Bemrose & Sons Ltd, 1903)

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

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 - Peabody Museum of Salem. (Peabody Museum, 1975)

... Flora of Glacier National Park, Montana - Standley, Paul Carpenter, 1884 -1963 (Govt. Print. Off, 1921)

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

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

The flora of Lincolnshire - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1975)

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

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

Flora of New Mexico. By E.O. Wooton and Paul C. Standley - Standley, Paul Carpenter, 1884 -1963 (Govt. Print. Off, 1915)

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 northwest America ... - Howell, Thomas, 1842 -1912 (1903)

A flora of northwest America : containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia. Vol. I, Phanerogamae - Howell, Thomas, 1842 -1912 ([s.n.], 1897)

A flora of northwest America : containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia - Howell, Thomas, 1842 -1912 ([s.n.], 1903)

A flora of northwest America, containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia - Howell, Thomas, 1842 -1912 (1903)

A flora of northwest America containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia - Howell, Thomas, 1842 -1912 ([s.n.], 1903)

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)

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

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

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

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 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)

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)

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 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)

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)

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

The flora of the Liverpool district - Green, C. Theodore (Conrad Theodore) 1863 -1940 (D. Marples & Co, 1902)

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

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 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)

The flora of the parish of Halifax - Crossland, C. (Charles), 1844 -1916 (Halifax Scientific Society, 1904)

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

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 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)

The flora of the Rocky Mountains - Campbell, Robert, 1835 -1921 (s.n, 1900)

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)