Flora of Los Angeles and vicinity - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1911)

Flora of Los Angeles and vicinity - Abrams, Le Roy, 1874 -1956 (1917)

Flora of Arizona : 1884 first fascicle - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (Marcus E. Jones], 1884)

Flora of Arizona and Sonora - Pringle, Cyrus G. (Cyrus Guernsey), 1838 -1911 (H.N. Patterson, 1884)

The flora of Boulder, Colorado, and vicinity - Daniels, Francis Potter, 1869 -1947 (The University of Missouri, 1911)

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 - Geological Survey of Canada (Govt. Print. Bureau, 1917)

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

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

The flora of Canada - Macoun, James Melville, 1862 -1920 (Govt. Print. Bureau, 1917)

The flora of Canada - Macoun, James Melville, 1862 -1920 (Government printing bureau, 1917)

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

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 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)

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 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 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 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)