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Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1980)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1982)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2005)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 2008)

Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1872)

Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1881)

Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1885)

Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1892)

Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1893)

Grønlands landarthropoder (Insecta et Arachnida Groenlandicæ) - Henriksen, Kai Ludvig, 1888 - (Bianco Lunos bogtrykkeri, 1917)

Ground beetles (Carabidae) of Fennoscandia : a zoogeographic study - Lindroth, Carl Hildebrand 1905 -1979 (Smithsonian Institution Libraries and National Science Foundation, 1992)

Gründzuge der Botanik; Repetitorium für Studierende der Naturwissenschaften und Medicin und Lehrbuch für politechnische, land- und forstwirtschaftliche Lehranstalten - Luerssen, Christian, 1843 -1916 (1877)

Grundriss der Forstwissenschaft. 6. Aufl. Hrsg. von seinen Enkeln, Heinrich und Ernst von Cotta - Cotta, Ernst von, (Arnold, 1872)

Grundriss der Kräuterkunde zu Vorlesungen - Willdenow, Karl Ludwig, 1765 -1812 (Bei Haude und Spener, 1792)

Grundriss der Kräuterkunde zu Vorlesungen entworfen - Willdenow, Karl Ludwig, 1765 -1812 (Mit v. Ghelenschen Schriften, 1799)

Grundriss der Kryptogamen-Kunde - Körber, Gustav Wilhelm, 1817 -1885 (Ed. Trewendt, 1848)

Grundzüge der Pflanzenverbreitung in den Karpathen - Pax, Ferdinand, 1858 -1942 (W. Engelmann, 1898)

Grundzüge der Systematik und speciellen Pflanzenmorphologie - Goebel, K. (Karl), 1855 -1932 (Engelmann, 1882)

Grundzüge der wissenschaftlichen Botanik : nebst einer methodologischen Einleitung als Anleitung zum Studium der Pflanze - Schleiden, M. J. (Matthias Jacob), 1804 -1881 (Verlag von Wilhelm Engelmann, 1842)

Grundzüge der wissenschaftlichen Botanik, nebst einer methodologischen Einleitung also Anleitung zum Studium der Pflanze - Schleiden, M. J. (Matthias Jacob), 1804 -1881 (W. Engelmann, 1861)

Guide de l'élève et du practicien pour les travaux pratiques de micrographie, comprenant la technique et les applications du microscope ... - Beauregard, H. (Henri), 1851 -1900 (C. Masson, 1880)

Le guide du botaniste herborisant : conseils sur la récolte des plantes, la préparation des herbiers, l'exploration des stations de plantes phanérogames et cryptogames et les herborisations ... - Verlot, Bernard, 1836 -1897 (J. B. Baillière, 1865)

Guide for the identification of rare, threatened or sensitive bryophytes in the range of the northern spotted owl, western Washington, western Oregon, and northwestern California - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, Oregon-Washington State Office, 1996)

A guide to botany, or, A familiar illustration of the principles of the Linnaean classification - Millar, James, 1762 -1827 (P. Hill, 1818)

A guide to the birds of New England and eastern New York : containing a key for each season and short descriptions of over 250 species, with particular reference to their appearance in the field - Fuertes, Louis Agassiz, 1874 -1927 (Houghton, Mifflin and Company, 1904)

Guide to the identification of plant macrofossils in Canadian peatlands - Lévesque, P. E. M. (Agriculture Canada, 1988)

Guide to the recognition of the principal orders of cryptogams and the commoner and more easily distinguished New England genera. With a full glossary - Sargent, Frederick Leroy, 1863 -1928 (C. W. Sever, 1886)

Guide to the study of common plants - Spalding, Volney M. (Volney Morgan), 1849 -1918 (Heath & co, 1893)

Guide to the study of common plants. An introduction to botany - Spalding, Volney M. (Volney Morgan), 1849 -1918 (D. C. Heath, 1895)

Guide to the study of common plants : an introduction to botany - Spalding, Volney M. (Volney Morgan), 1849 -1918 (D.C. Heath & Co, 1894)

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Gulielmi Hudsoni, Regiae Societatis Socii et Pharmacopaei Londinensis, Flora anglica : exhibens plantas per regnum angliae sponte crescentes, distributas secundum systema sexuale : cum differentiis specierum, synonymis autorum, nominibus incolarum, solo locorum, tempore florendi, officinalibus pharmacopaeorum - Hudson, William, 1730? -1793 (Impensis auctoris, 1762)

Gulielmi Hudsoni, Regiae Societatis Socii et Pharmacopaei Londinensis, Flora anglica : exhibens plantas per regnum Britanniæ sponte crescentes, distributas secundum systema sexuale : cum differentiis specierum, synonymis auctorum, nominibus incolarum, solo locorum, tempore florendi, officinalibus pharmacopæorum - Hudson, William, 1730? -1793 (Printed for R. Faulder [and 9 others], 1798)

Half-hours in the green lanes : a book for a country stroll - Taylor, J. E. (John Ellor), 1837 -1895 (W. H. Allen & Company, 1898)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1881)

Hand-Buch oder kurze Anweisung wie man Naturalien-Sammlungen mit Nutzen betrachten soll - Rudolph, Daniel Gottlob, 1726 -1768 (Bey Joh. Gottlob Rothe, Buchhändler in Koppenhagen, 1766)

Handbok i Skandinaviens flora : innefattande sveriges och norges växter, till och med mossorna - Hartman, Carl Johan, 1790 -1849 (Z. Haeggström, 1864)

Handbook of British fungi : with full descriptions of all the species, and illustrations of the genera - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Macmillan, 1871)

Handbook of British fungi, with full descriptions of all the species, and illustrations of the genera - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Macmillan and co, 1871)

Handbook of British mosses : comprising all that are known to be natives of the British Isles - Berkeley, M. J. (Miles Joseph), 1803 -1889 (L. Reeve & Co, 1895)

Handbook of British mosses; comprising all that are known to be natives of the British Isles - Berkeley, M. J. (Miles Joseph), 1803 -1889 (L. Reeve, 1863)

Handbook of British mosses comprising all that are known to be natives of the British Isles - Berkeley, M. J. (Miles Joseph), 1803 -1889 (L. Reeve, 1863)

A handbook of cryptogamic botany - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, and Co, 1889)

A handbook of cryptogamic botany / by Alfred W. Bennett and George Murray - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, and Co, 1889)

A handbook of cryptogamic botany - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, 1889)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1909)

Handbook of mosses, with an account of their structure, classification, geographical distribution, and habitats - Bagnall, James E. (James Eustace), 1830 -1918 (S. Sonnenschein, 1886)

Handbook of plant dissection - Coulter, John Merle, 1851 -1928 (Holt, 1886)

Handbook of practical botany for the botanical laboratory and private student - Strasburger, Eduard, 1844 -1912 (Swan Sonnenschein, 1900)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Macmillan & Co, 1895)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Swan, 1904)

Handbook of the New Zealand flora : a systematic description of the native plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, and Macquarrie's islands - Hooker, Joseph Dalton, 1817 -1911 (Reeve & Co, 1867)