A dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (The University Press, 1919)

Dipterologische studien; Dolichopodidae der Indo-Australischen region - Becker, Th. (Theodor), 1840 -1928 (M. Nijhoff, 1922)

A directory of Illinois systematists and ecologists - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1986)

A directory of Illinois systematists, ecologists, and field biologists - Robertson, Kenneth Ray, 1941 - ([Section of Botany and Plant Pathology, Illinois Natural History Survey], 1989)

La diversidad biológica en Morelos : estudio del Estado - Boyas Delgado, José Concepción (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2004)

dong bei zhi wu jian suo biao - Liu, Zhen-e (ke xue chu ban she, 1959)

dong hai lu jia pen di long jing gou zao dai xin sheng dai bao fen xue de yan jiu - Zhongguo ke xue yuan. Nanjing di zhi gu sheng wu yan jiu suo bian ji (an hui ke xue ji shu chu ban she, 1985)

dong zhi wu ming ci hui bian kuang wu ming ci fu - ke xue ming ci shen cha hui (ke xue ming ci shen cha hui)

e er duo si zhi wu zhi - Wu, Jianxiong (nei meng gu ren min chu ban she, 2007)

An ecologically annotated checklist of the vascular flora at the Chesapeake Bay Center for Field Biology, with keys - Smithsonian Institution. Office of Ecology (Smithsonian Institution, 1968)

The Ecology of arboreal folivores : a symposium held at the Conservation and Research Center, National Zoological Park, Smithsonian Institution, May 29-31, 1975 - Montgomery, G. Gene (Gerald Gene) (Smithsonian Institution Press, 1978)

Eesti Looduseuurijate Seltsi aastaraamat - Eesti Looduseuurijate Selts. (Valgus, 1906)

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Einführung in die paläontologie - Steinmann, G. (Gustav), 1856 -1929 (W. Engelmann, 1903)

Einleitung in das natürliche System der Botanik; oder, Systematische Uebersicht der Organisation, natürlichen Verwandtschaften und geographischen Verbreitung des ganzen Pflanzenreichs, nebst Angabe des Nutzens der wichtigsten Arten in der Heilkunde, den Künsten und der Haus- und Feldwirtschaft - Lindley, John, 1799 -1865 (Verlage des Landes-Industrie-Comptoirs, 1833)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1898)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (Swan Sonnenschein & Co, 1886)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (W. Swan Sonnenschein & Allen, 1881)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (W.S. Sonnenschein & Allen, 1880)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein & co., lim, 1898)

An elementary text-book of botany, for the use of Japanese students - Saida, Kōtarō, 1860 -1924 (1893)

Elemente der paläontologie bearbeitet - Döderlein, Ludwig, 1855 -1936 (Engelmann, 1890)

The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms - Kellerman, W. A. (William Ashbrook), 1850 -1908 (J. E. Potter and Company, 1883)

The elements of botany for beginners and for schools - Gray, Asa, 1810 -1888 (American Book Co, 1887)

The elements of materia medica and therapeutics - Pereira, Jonathan, 1804 -1853 (Printed for Longman, Brown, Green and Longmans, 1849)

Embryogenesis in plants - Wardlaw, C. W. (Claude Wilson), 1901 - (Methuen, 1955)

Enhancement restoration and creation of vernal pools at Del Sol Open Space and Vernal Pool Reserve, Santa Barbara County, California - Ferren, Wayne R. (University of California, Santa Barbara, 1988)

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Entomologische berichten - Nederlandse Entomologische Vereniging (2005)

Entomologische berichten - Nederlandse Entomologische Vereniging (2017)

Entomologische berichten - Nederlandse Entomologische Vereniging (2018)

Entomologische Blätter : internationale Monatsschrift für die Biologie der Käfer Europas unter besonderer Berücksichtigung der Forstentomologie - Naturhistorischer Verein der Rheinlande und Westfalens. (Fritz Pfenningstorff, 1910)

Enumeratio plantarum horti regii et agri gottingensis - Haller, Albrecht von, 1708 -1777 (apud viduam A. Vandenhoeckii, 1753)

Enumeratio seminum in Horto Botanico Regii Musæi Florentini Physices ac Naturalis Historiæ anno ... collectorum quæ cum allis seminibus sunt commutanda - Orto Botanico di Firenze. (Typis Le Monnier, 1897)

Enumeratio seminum in Horto Botanico Regii Musæi Florentini Physices ac Naturalis Historiæ anno ... collectorum quæ cum allis seminibus sunt commutanda - Orto Botanico di Firenze. (Typis Le Monnier, 1900)

Enumeratio seminum in Horto Botanico Regii Musæi Florentini Physices ac Naturalis Historiæ anno ... collectorum quæ cum allis seminibus sunt commutanda - Orto Botanico di Firenze. (Typis Le Monnier, 1906)

Enumeratio seminum in Horto Botanico Regii Musæi Florentini Physices ac Naturalis Historiæ anno ... collectorum quæ cum allis seminibus sunt commutanda - Orto Botanico di Firenze. (Typis Le Monnier, 1931)

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

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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)

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The essentials of botany - Bessey, Charles E. (Charles Edwin), 1845 -1915 (H. Holt and company, 1896)

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Essentials of botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1896)

Estudios sobre la flora de las islas de Juan Fernandez - Johow, Friedrich, 1859 - (Imprenta Cervantes, 1896)

Eucalyptus - Kinney, Abbot, 1850 -1920 (B. R. Baumgardt & co, 1895)

Evolution of life - Chapman, Henry C. (Henry Cadwalader), 1845 -1909 (1873)

Evolution: process and product - Dodson, Edward O. (Edward Ottway), 1916 - (Reinhold, 1960)

Excursionsflora für Oesterreich, mit Ausschluss von Galizien, Bukowina und Dalmatien. Mit theilseiser Benützung des "Botanischen Excursionsbuches" von G. Lorinser - Fritsch, Karl, 1864 -1934 (C. Gerold's Sohn, 1897)

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)

Exploring biology, the science of living things - Smith, Ella Thea. (Harcourt, Brace, 1959)

Facts relating to the history of Groton, Massachusetts - Green, Samuel A. (Samuel Abbott), 1830 -1918 (J. Wilson and Son], 1912)

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

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The Fern gazette - British Pteridological Society. (British Pteridological Society, 2005)

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

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

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

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

Flora balearica, étude phytogéographique sur les íles Baléares - Knoche, Herman, 1870 -1945 (Imp. Roumégous et Déhan], 1821)

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, 1852)

Flora Chersonensis - Lindemann, Eduard Emanuilovich, 1825 -1900 (Tip. b. G. Ulrikha (P.A. Zelenago), 1881)

Flora de Guerrero (Coordinación de Servicios Editoriales de la Facultad de Ciencias, UNAM, 2017)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1995)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1996)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1997)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1998)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1999)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2000)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2001)