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

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

Distribution, habitat selection and survival of transplanted Columbian sharp-tailed grouse (Tympanuchus phasianellus columbianus) in the Tobacco Valley, Montana - Montana. Department of Fish, Wildlife,; Parks (Montana State University [and] Montana Dept. of Fish, Wildlife & Parks, 1992)

Distribution of vascular plant species of special concern and limited distribution in the Pryor Mountain Desert ; Carbon County, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1992)

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

dong bei yao yong zhi wu zhi - Liu, Zhen-e (ke xue chu ban she, 1950)

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

dong bei zhi wu mu lu - Zhongguo ke xue yuan. Lin ye tu rang yan jiu suo zhi wu zu (zhong guo ke xue yuan, 1956)

dong bei zhi wu yao tu zhi - Xiao, Peigen, Feng Ruizhi, Zhang Huilan, Lou Zhicheng, Cheng Jingron, Chun Xueying & Zhang Huixia (ren ming wei sheng 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)

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

The drug plants of Illinois - Tehon, L. R. (Leo Roy), 1895 -1954 (Natural History Survey Division, 1951)

Études de systématique et de géographie botaniques sur la flore du Bas- et du Moyen-Congo - Wildeman, E. de (Emile), 1866 -1947 (Par ordre du Secrétaire d'États, 1904)

Études de systématique et de géographie botaniques sur la flore du Bas- et du Moyen-Congo - Wildeman, E. de (Emile), 1866 -1947 (Par ordre du Secrétaire d'États, 1905)

Études de systématique et de géographie botaniques sur la flore du Bas- et du Moyen-Congo - Wildeman, E. de (Emile), 1866 -1947 (Par ordre du Secrétaire d'États, 1907)

Études de systématique et de géographie botaniques sur la flore du Bas- et du Moyen-Congo - Wildeman, E. de (Emile), 1866 -1947 (Par ordre du Secrétaire d'États, 1909)

Eastern states endangered plants - Arndt, Raymond E. (U.S. Dept. of the Interior, Bureau of Land Management, 1980)

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)

Ecological land classification of Beauvais Lake Provincial Park study area - Alberta. Alberta Environment. (Alberta Environment, 2001)

An ecological study of the Douglas fir vegetation in Banff and Jasper National Parks - Stringer, Paul William. (1966)

An ecological survey in northern Michigan - Adams, Charles C. (Charles Christopher), 1873 -1955 (Wynkoop Hallenbeck Crawford co., state printers, 1906)

An ecological survey of Isle Royale, Lake Superior - Adams, Charles C. (Charles Christopher), 1873 -1955 (Wynkoop Hallenbeck Crawford Co., State Printers, 1909)

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 and status of Mountain caribou and caribou range in Central British Columbia - Bloomfield, Michael Irwin. (University of Alberta, Dept. of Animal Science, 1979)

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)

Ecosystem management : rare species and significant habitats : proceedings of the 15th Annual Natural Areas Conference - Mitchell, Richard S., 1938 - (New York State Museum, University of the State of New York, State Education Dept, 1990)

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

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)

Einleitung in die Paläophytologie vom botanischen Standpunkt aus - Solms-Laubach, Hermann, Graf zu, 1842 -1915 (Arthur Felix, 1887)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1908)

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

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 the microscope; including a description of the methods of preparing and mounting objects, etc - Griffith, J. W. (John William) (J. Van Voorst, 1864)

The elements of botany for beginners and for schools - Gray, Asa, 1810 -1888 (American book company, 1901)

Elements of botany : structural, physiological, systematical, and medical - Lindley, John, 1799 -1865 (Printed for Taylor and Walton, 1841)

Eliae Fries Summa vegetabilium Scandinaviae, seu Enumeratio systematica et critica plantarum quum cotyledonearum, tum nemearum inter Mare Occidentale et Album, inter Eidoram et Nordkap, hactenus lectarum, indicata simul distributione geographica ... Accedunt expositio systematis plantarrum morphologici, comparatio vegetationis adjacentium regionum, definitiones specierum in Kochii Synopsi florae germanicae et nemearum monographiis haud obviarum L. aliter expositarum - Fries, Elias, 1794 -1878 (A. Bonnier, 1846)

Elliott's planting book for 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1929)

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

Enchiridion botanicum, exhibens classes et ordines plantarum accedit nomenclator generum et officinalium vel usualium indicatio - Endlicher, Stephan, 1804 -1849 (Sumptibus G. Engelmann, 1841)

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)

English botany, or, Coloured figures of British plants - Salter, John William, 1820 -1869 (R. Hardwicke, 1886)

The Enterprise, Wisconsin, Radiation Forest : preirradiation ecological studies - North Central Forest Experiment Station (Saint Paul, Minn.). Institute of Forest Genetics. (Institute of Forest Genetics, North Central Forest Experiment Station, Forest Service, U.S.D.A, 1974)

Entomological news - American Entomological Society. (American Entomological Society, 2008)

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)

Enumeratio plantarum Javae et insularum adjacentium : minus cognitarum vel novarum ex herbariis Reinwardtii, Kuhlii, Hasseltii et Blumii - Blume, C. L. (Carl Ludwig), 1796 -1862 (Apud J.W. van Leeuwen, 1827)

Enumeratio plantarum Transsilvaniae : exhiben: stirpes phanerogamas sponte crescentes atque frequentius cultas, cryptogamas vasculares, charceas, etiam muscos hepaticasque - Schur, Philipp Johann Ferdinand, 1799 -1878 (Apud G. Braumhuller, 1866)

Enumeratio plantarum Transsilvaniae :exhibens: stirpes phanerogamas sponte crescentes atque frequentius cultas, cryptogamas vasculares, characeas, etiam muscos hepaticasque - Schur, Philipp Johann Ferdinand, 1799 -1878 (Sumptibus C. Graeser, 1885)

Enumeratio plantarum vascularium in insula Inarime sponte provenientium vel oeconomico usu passim cultarum - Gussone, Giovanni, 1787 -1866 (Ex Vanni Typographeo, 1854)

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)

An enumeration of plants collected in Sumatra by W. N. and C. M. Bangham - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (The Arnold Arboretum of Harvard University, 1934)

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, 1983)

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, 1997)

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