Flora of China - Missouri Botanical Garden. (Science Press, 1900)

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

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

A flora of Hollister Ranch, Santa Barbara County, California - Fletcher, Martin (The Herbarium, Department of Biological Sciences, University of California, Santa Barbara, 1983)

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

Flora of Miami; being descriptions of the seed-plants growing naturally on the Everglade Keys and in the adjacent Everglades, southern peninsular Florida - Small, John Kunkel, 1869 -1938 (The author, 1913)

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

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

Flora of New South Wales - New South Wales. Department of Agriculture. (Government Printer, 1984)