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)

Enumeratio plantarum anno 1890 in Caucaso lectarum : additis nonnullis speciebus a claris viris H. Lojka, G. Radde, N. Seidlitz et fratr. Brotherus in eadem ditione lectis - Sommier, Stefano, 1848 -1922 (Typ. Imp. akademii nauk, 1900)

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 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)

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 plants collected in Bolivia by Miguel Bang : with descriptions of new genera and species - Rusby, Henry Hurd, 1855 -1940 ([Torrey Botanical Club], 1893)

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)

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)

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

The Eskimo tribes; their distribution and characteristics, especially as regards language, with a comparative vocabulary and sketch-map - Rink, H. (Hinrich), 1819 -1893 (1887)

An essay on classification - Agassiz, Louis, 1807 -1873 (Longman, Brown, Green, Longmans, & Roberts [etc.], 1859)

Essay on classification - Agassiz, Louis, 1807 -1873 (Belknap Press of Harvard University Press, 1962)

Essays on various subjects - Collingwood, Cuthbert, 1826 -1908 (H. Greenwood, 1861)

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)

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)

Etymologisch-botanisches Handwörterbuch : enthaltend die genaue Ableitung und Erklärung der Namen sämmtlicher botanischen Gattungen, Untergattungen und ihrer Synonyme : mit zahlreichen biographischen und literarischen Notizen versehen ... - Wittstein, Georg Christian, 1810 -1887 (J.J. Palm und E. Enke (A. Enke), 1856)

The evolution of plants - Scott, Dukinfield Henry, 1854 -1934 (Williams and Norgate, 1911)

Excursionsflora Deutschlands. Analytische Tabellen zum möglichst leichten und sicheren Bestimmen aller in Deutschland, Deutsch-Oesterreich und der Schweiz wildwachsenden und häufiger cultivirten phanerogamischen und kryptogamischen Gefässpflanzen - Neger, Johann. (F. Korn, 1871)

Excursionsflora für das Grossherzogthum Baden - Seubert, Moritz, 1818 -1878 (J. Engelhorn, 1863)

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)

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, practical, elementary, and physiological : with a new and full description of the plants of the United States, and cultivated exotics, &c. for the use of seminaries, private students, and practical botanists - Phelps, Lincoln, Mrs., 1793 -1884 (Published by Huntington and Savage, 1850)

Familiar lectures on botany, practical, elementary, and physiological : with an appendix, containing descriptions of the plants of the United States and exotics, &c. for the use of seminaries and private students - Phelps, Lincoln, Mrs., 1793 -1884 (F. J. Huntington & Co, 1841)

Familiar lectures on botany, practical, elementary, and physiological : with an appendix, containing descriptions of the plants of the United States and exotics, &c., for the use of seminaries and private students - Phelps, Lincoln, Mrs., 1793 -1884 (Published by F.J. Huntington & Co, 1838)

Familiar lectures on botany, practical, elementary and physiological with an appendix, containing descriptions of the plants of the United States and exotics, &c., for the use of seminaries and private students - Phelps, Lincoln, Mrs., 1793 -1884 (Published by F.J. Huntington, 1836)

Fauna der Gaskohle und der Kalksteine der Permformation Böhmens / von Antonín Frič - Frič, Antonín, 1832 -1913 (Selbstverlag–in commission bei Fr. Řivnáč, 1879)

Fauna, flora & geology of the Clyde area - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (Pub. by the local committee for the meeting of the British Association, 1901)

Femhundra afbildningar af mera allmänt förekommande svenska växter : för skolan och hemmet - Andersson, N. J. (Nils Johan), 1821 -1880 (Z. Haeggström, 1870)

The fern allies of North America north of Mexico - Clute, Willard Nelson, 1869 -1950 (F. A. Stokes company, 1905)

The fern allies of North America north of Mexico - Clute, Willard Nelson, 1869 -1950 (Stokes, 1905)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1903)

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, 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 bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1912)

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

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

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1985)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1991)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1998)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1999)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2000)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2001)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2002)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2003)

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

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2007)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2008)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2009)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2012)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2013)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2015)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2016)

Ferns and fern allies of Canada - Cody, William J. (Research Branch, Agriculture Canada, 1989)

The ferns and fern allies of New England - Dodge, Raynal, 1844 -1918 (W.N. Clute & Co, 1896)

The ferns and fern allies of New Zealand, with instructions for their collection and hints on their cultivation - Thompson, George Malcolm, 1848 -1933 (G. Robertson, 1882)

The ferns and fern allies of the British West Indies and Guiana - Jenman, George Samuel, 1845 -1902 (Printed at the Govt. print. off, 1909)

Ferns : British & foreign : the history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc - Smith, John, 1798 -1888 (D. Bogue, 1879)

Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc - Smith, John, 1798 -1888 (Hardwicke, 1866)

The ferns (Filicales) treated comparatively with a view to their natural classification - Bower, F. O. (Frederick Orpen), 1855 -1948 (University Press, 1923)

Ferns in their homes and ours - Robinson, John, 1846 -1925 (1878)

Ferns in their homes and ours - Robinson, John, 1846 -1925 (Whidden, 1894)

The ferns of Great Britain - Sowerby, John E. (John Edward), 1825 -1870 (H.G. Bohn, 1859)

The ferns of North America. Colored figures and descriptions, with synonymy and geographical distribution, of the ferns (including the Ophioglossaceae) of the United States of America and the British North American possessions - Eaton, Daniel Cady, 1834 -1895 (S.E. Cassino, 1879)

Ferns of Royal Palm Hammock, descriptions and illustrations of the ferns and fern-allies growing naturally in Royal Palm Hammock and the adjacent Everglades - Small, John Kunkel, 1869 -1938 (1918)

The ferns of South Africa, containing descriptions and figures of the ferns and fern allies of South Africa - Sim, T. R. (Thomas Robertson), 1858 -1938 (University Press, 1915)

The ferns of South Africa, containing descriptions and figures of the ferns and fern allies of South Africa, with localities, cultural notes, & etc - Sim, T. R. (Thomas Robertson), 1858 -1938 (J.C. Juta & Co, 1892)

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 key to the flora of Yellowstone National Park - United States. National Park Service. (Yellowstone Library and Museum Association in cooperation with National Park Service, U.S. Dept. of the Interior, 1975)