The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 1986)

Enumeratio seminum R. Horto Botanico Pisano ... - Orto botanico di Pisa. (Orto botanico di Pisa, 1916)

Enumeratio seminum R. Horto Botanico Pisano ... - Orto botanico di Pisa. (Orto botanico di Pisa, 1933)

Enumeratio systematica fungorum in omnium herbarum europaearum organis diversis hucusque observatorum mentione facta fontium litterariorum diagnoses eorum figurasque proferentium nec non praecipuorum eorum synonymorum numerorumque collectionum plurium venalium species enumeratas - Oudemans, C. A. J. A. (Cornelis Antoon Jan Abraham), 1825 -1906 (apud M. Nijhoff, 1919)

An enumeration of Philippine flowering plants - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Bureau of Printing, 1922)

An enumeration of the vascular plants known from Surinam, together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

An enumeration of the vascular plants known from Surinam : together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

Erdély edényes flórájának helyesbitett foglalata / Enumeratio florae transsilvanicae vesculosae critica / ex mandato Societatis Scientiarum Naturalium Regiae Hungaricae scripsit Ludovicus Simonkai - Magyar Természettudományi Társulat. (Kiadja a Kir. Magyar Természettudományi Társulat, 1886)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1985)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1991)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 2003)

Ernährungsphysiologisches Praktikum der höheren Pflanzen - Grafe, Viktor, 1878 -1936 (P. Parey, 1914)

The essentials of botany - Bessey, Ernst Athearn, 1877 -1957 (H. Holt and company, 1914)

Essentials of college botany - Bessey, Ernst Athearn, 1877 -1957 (H. Holt, 1914)

Estudio preliminar de una colección de plantas procedentes de Tartagal (departamento de Orán, Salta) - Schreiter, Rodolfo ("Coni", 1925)

Études sur la flore des districts des Bangala et de l'Ubangi (Congo Belge) ; Plantae Thonnerianae Congolenses. Série II - De Wildeman, Emile 1866 -1947 (Misch & Thron, 1911)

European Journal of Taxonomy - Institut royal des sciences naturelles de Belgique. (MNHN, 2012)

Everyday objects; or, Picturesque aspects of natural history - Adams, W. H. Davenport (William Henry Davenport), 1828 -1891 (W.P. Nimmo, 1876)

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, 1917)

Experimental and molecular approaches to plant biosystematics - Hoch, Peter C (Missouri Botanical Garden, 1995)

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. 81, Insectes lépidoptères Pterophoridae - Gibeaux, Christian 1950 - (1994)

Favorite wildflowers of the West Coast : portrayed on the Monterey Peninsula - Pomeroy, Mary Barnas, 1921 - (Park Place Publications, 2008)

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 - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (G.P. Putnam's Sons)

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 book of western wild flowers - Armstrong, Margaret, 1867 -1944 (Putnam, 1915)

Field book of western wild flowers - Armstrong, Margaret, 1867 -1944 (C.[!] P. Putnam;s sons, 1915)

Field book of western wild flowers - Armstrong, Margaret, 1867 -1944 (C. [sic] P. Putnam's Sons, 1915)

Field notes of Charles Wright for 1849 and 1851-52, relating to collections from Texas, New Mexico, Arizona and adjacent Sonora and Chihuahua - Wright, Charles, 1811 -1885 (1847)

Fieldbook of Illinois wild flowers; six hundred fifty of the more common flowering plants in the state - Illinois. Natural History Survey Division (Illinois. Natural History Survey Division, 1936)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1946)

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

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

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. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1990)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1991)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 2003)

Fieldiana. Geology - Field Museum of Natural History. (Chicago Natural History Museum, 1990)

Fifty years of botany; golden jubilee volume of the Botanical Society of America - Botanical Society of America. (McGraw-Hill, 1958)

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 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 balearica, étude phytogéographique sur les íles Baléares - Knoche, Herman, 1870 -1945 (Imp. Roumégous et Déhan], 1921)

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, 1872)

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

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, 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, 2012)

Flora del Valle de Tehuacán-Cuicatlán (Universidad Nacional Autónoma de México, 2018)