Exkursionsflora für Österreich, mit Ausschlus von Galizien, Bukowina und Dalmatien - Fritsch, Karl, 1864 -1934 (Karl Gerolds Sohn, 1909)

Exkursionsflora von Europa : Anleitung zum Bestimmen der Gattungen der europäischen Blütenpflanzen - Thonner, Franz, 1863 - (R. Friedländer, 1901)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1906)

Extinct plants and problems of evolution : founded on a course of public lectures delivered at the University college of Wales, Aberystwyth, in 1922 - Scott, Dukinfield Henry, 1854 -1934 (Macmillan and co., limited, 1924)

Familiar lectures on botany : explaining the structure, classification, and uses of plants, illustrated upon the Linnaean and natural methods : with a flora for practical botanists : for the use of colleges, schools, and private students - Phelps, Lincoln, Mrs., 1793 -1884 (J.B. Lippincott Company, 1860)

The families of flowering plants - Pollard, Charles Louis, 1872 -1945 (The Plant World Co, 1900)

Faune de Madagascar : diptères. 22, Insectes - Grjébine, Alexis 1918 -1988 (1966)

The ferns, fern allies and flowering plants of Rhode Island - Providence Franklin Society. (Providence Franklin Society, 1920)

Field book of american wild flowers; being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization, by F. Schuyler Mathews... - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (G.P. Putnam's sons, 1902)

Field book of american wild flowers; being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization, by F. Schuyler Mathews... - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (G.P. Putnam, 1902)

Field, forest, and garden botany; a simple introduction to the common plants of the United States east of the 100th meridian, both wild and cultivated - Gray, Asa, 1810 -1888 (American Book Company, 1895)

Field guide to the sphinx moths of Illinois - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2010)

Field Notebook: Russia 1975 - Hickey, Leo (1975)

Fieldbook of native Illinois shrubs - Tehon, L. R. (Leo Roy), 1895 -1954 (Natural History Survey Division, 1942)

Fieldiana. Anthropology - Field Museum of Natural History. (Chicago Natural History Museum, 1972)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1949)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1976)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1977)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1952)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1957)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1962)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1971)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1983)

Fieldiana. Zoology - Field Museum of Natural History. (Chicago Natural History Museum, 1997)

Final environmental impact statement : proposed estuarine sanctuary grant award to the state of New York for a Hudson River estuarine sanctuary - National Ocean Survey. Office of Coastal Zone Management. (The Office, 1982)

The first fifty years of the Arnold Arboretum - Sargent, Charles Sprague, 1841 -1927 (1922)

A first report on the relations between climates and crops - Abbe, Cleveland, 1838 -1916 (Govt. Print. Off, 1905)

Flórula de las reservas biológicas de Iquitos, Perú : Allpahuayo-Mishana, Explornapo Camp, Explorama Lodge - Missouri Botanical Garden. (Missouri Botanical Garden, 1997)

Flórula del Parque Nacional Natural Amacayacu, Amazonas, Colombia - Missouri Botanical Garden. (Missouri Botanical Garden, 2005)

Flora and fauna of Bucks County - Moyer, I. S. (Lewis, 1905)

Flora and vegetation of the Sierra Ancha Experimental Forest, Arizona - Pase, C. P., 1926 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968)

Flora Brasiliensis, enumeratio plantarum in Brasilia hactenus detectarum :quas suis aliorumque botanicorum studiis descriptas et methodo naturali digestas partim icone illustratas - Martius, Karl Friedrich Philipp von, 1794 -1868 (R. Oldenbourg, 1840)

Flora Brasiliensis, enumeratio plantarum in Brasilia hactenus detectarum :quas suis aliorumque botanicorum studiis descriptas et methodo naturali digestas partim icone illustratas - Martius, Karl Friedrich Philipp von, 1794 -1868 (R. Oldenbourg, 1867)

Flora cestrica: an herborizing companion for the young botanists of Chester County...Pennsylvania - Darlington, William, 1782 -1863 (Lindsay & Blakiston, 1853)

Flora cubana. Enumeratio nova plantarum cubensium - Grisebach, A. (August), 1814 -1879 (Imp. "La Antilla," de Cacho-Negrete, 1873)

Flora de Nicaragua - Stevens, Warren Douglas, 1944 - (Missouri Botanical Garden Press, 2001)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2005)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2006)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2007)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2008)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2009)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2010)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2011)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2012)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2013)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2014)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2015)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2017)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2018)

Flora del Río Cenepa, Amazonas, Perú - Vásquez Martínez, Rodolfo (Missouri Botanical Garden Press, 2010)

Flora del Valle de Tehuacán-Cuicatlán (Universidad Nacional Autónoma de México, 2020)