A dictionary of plant names - Hollandsche Maatschappij der Wetenschappen (M. Nijhoff, 1911)

Dictionary of the common names of plants with list of foreign plants cultivated in the open - Marloth, R. (Rudolf), 1855 -1931 (Specialty Press of South Africa, 1917)

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

Directory of Wetlands of International Importance (1990)

Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1924 - United States. Office of Plant Disease Survey; Pathological Collections. (Office of Plant Disease Survey and Pathological Collections, Bureau of Plant Industry, United States Department of Agriculture, 1925)

The distribution of the vegetation and flora of New Zealand - Cockayne, L. (Leonard), 1855 -1934 (R.W. Stiles & Co., Printers, 1920)

District botanical report : sensitive plants of the Roseburg District - United States. Bureau of Land Management. Roseburg District Office. (1983)

Dizionario di botanica generale, istologia, anatomia, morfologia, fisiologia, biologia vegetale - Bilancioni, Guglielmo, 1881 -1935 (U. Hoepli, 1903)

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

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)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1910)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1889)

Draft integrated noxious weed management plan and draft environmental assessment - Montana. Department of Fish, Wildlife,; Parks. Region 8 (The Region, 1993)

Draft weed management plan - Montana. Department of Fish, Wildlife,; Parks. Region 5 (The Region, 1994)

Dutch N. W. New Guinea. A contribution to the phytogeography and flora of the Arfak mountains, & c - Gibbs, Lilian S. (Lilian Suzette), 1870 -1925 (Taylor and Francis, 1917)

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An ecological characterization of Coastal Maine (north and east of Cape Elizabeth) - U.S. Fish; Wildlife Service (Department of the Interior, U.S. Fish and Wildlife Service, Northeast Region, 1980)

Ecology and management of larix forests : a look ahead : proceedings of an international symposium, Whitefish, Montana, U.S.A. October 5-9, 1992 - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1995)

The efficacy and economic effects of plant quarantines in California : report of a committee - University of California (1868-1952). College of Agriculture. (Agricultural Experiment Station, 1933)

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Electron-microscopic structure of protozoa - Pitelka, Dorothy R. (Dorothy Riggs), 1920 - (Pergamon Press; [distributed in the Western Hemisphere by Macmillan, New York], 1963)

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

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1905)

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

Elements of plant biology - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (George Allen & Unwin Ltd, 1922)

Elements of plant biology - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Allen, 1922)

Elements of plant biology - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (George Allen & Unwin ltd, 1922)

Elenco dei pesci dell' Adriatico - Perugia, Alberto, 1843 -1897 (U. Hoepli, 1881)

Elysium marianum; ferns and fern-allies - Tidestrom, Ivar, 1865 -1956 (The author, 1906)

Elysium marianum ferns and fern allies - Tidestrom, Ivar, 1864 -1956 ([Ivar Tidestrom], 1907)

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

Endangered and threatened species of the Southeastern United States including Puerto Rico and the Virgin Islands - United States. Forest Service. (U.S. Forest Service], 1982)

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Entomologische berichten - Nederlandse Entomologische Vereniging (1974)

Entomologische berichten - Nederlandse Entomologische Vereniging (2000)

Entomologische berichten - Nederlandse Entomologische Vereniging (2003)

Entomologische berichten - Nederlandse Entomologische Vereniging (2006)

Entomologische berichten - Nederlandse Entomologische Vereniging (2015)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 1984)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 1991)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 1998)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 2000)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 2003)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 2005)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 2012)

Enumeratio plantarum in Fennoscandia orientali sponte et subsponte nascentium. Förteckning öfver ormbunkar och fröväxter vildtväxande och förvildade i Finland och angränsande delar af Ryssland. Luettelo saniaisista ja siemenkasveista jotka kasvavat villeinä tai metsistyneinä Suomessa ja siihen rajoittuvissa osissa Venäjää - Lindberg, Harald, 1871 - (Söderström, 1901)

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)

Environmental pollution by fluorides in Flathead National Forest and Glacier National Park - Carlson, Clinton E. (U. S. Dept. of Agriculture, Forest Service, Northern Region Headquarters, Division of State and Private Forestry, Forest Insect and Disease Branch, 1971)

Essai d'une monographie des fougères Française - Palouzier, Émile, active 1891 - (Typographie et Lithographie Charles Boehm, 1891)

Essai sur l'histoire des vertébrés de la Provence et des départements circonvoisins - Réguis, J. M. F. (M. Lebon, 1882)

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)

Estimated plant material for sale : spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1936)

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)

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Evolution in the light of modern knowledge : a collective work - Coventry, Alan Freeth, (Blackie and Son Limited, 1925)

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

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Extent and cost of weed control with herbicides and an evaluation of important weeds, 1965 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1968)

Fall 1934, inventory grade count - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1934)

Die farnkräuter der erde. Beschreibende darstellung der geschlechter und wichtigeren arten der farnpflanzen mit besonderer berücksichtigung der exotischen - Christ, H. (Hermann), 1833 -1933 (G. Fischer, 1897)

Die Farnkräuter der Erde : beschreibende Darstellung der geschlechter und wichtigeren Arten der Farnpflanzen mit besonderer Berücksichtigung der Exotischen - Christ, H. (Hermann), 1833 -1933 (G. Fischer, 1897)

Fauna och flora : populär tidskrift för biologi - Naturhistoriska riksmuseet (Sweden) (Almqvist & Wiksells, 1906)

Fauna och flora : populär tidskrift för biologi - Naturhistoriska riksmuseet (Sweden) (Almqvist & Wiksells, 1912)

Fauna och flora : populär tidskrift för biologi - Naturhistoriska riksmuseet (Sweden) (Almqvist & Wiksells, 1918)

Faune de Madagascar. 75 (1), Amphibiens - Blanc, Charles P. (Charles Pierre), 1933 - (1993)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1899)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1905)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1906)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1907)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1908)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1909)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1911)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1974)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1979)