Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1874)

Grundzüge der Pflanzenverbreitung auf der iberischen Halbinsel - Willkomm, Moritz, 1821 -1895 (W. Engelmann, 1896)

Grundzüge der pflanzenverbreitung auf der Iberischen halbinsel - Willkomm, Moritz, 1821 -1895 (W. Engelmann, 1896)

Grundzüge der Pflanzenverbreitung in Chile - Reiche, Karl Friedrich, 1860 -1929 (W. Engelmann, 1907)

A guide and key to the aquatic plants of the Southeastern United States - Eyles, Don E. (Don Edgar), 1915 - (U. S. Govt. Print. Off, 1963)

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 to the autumn flowers of Minnesota, field and garden - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University of Minnesota, 1913)

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 insects of Connecticut - Wheeler, William Morton, 1865 -1937 (Printed for The State Geological and Natural History Survey, 1923)

Guide to the natural vegetation of Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

Guideline for wetland establishment on reclaimed oil sands leases - Alberta. Alberta Environment. (Alberta Environment, 2008)

Gulf and Caribbean research - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory and the University of Southern Mississippi Libraries, 2001)

Gulf and Caribbean research - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory and the University of Southern Mississippi Libraries, 2003)

Gulf and Caribbean research - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory and the University of Southern Mississippi Libraries, 2004)

Gulf and Caribbean research - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory and the University of Southern Mississippi Libraries, 2005)

Gulf and Caribbean research - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory and the University of Southern Mississippi Libraries, 2009)

Gulf and Caribbean research - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory and the University of Southern Mississippi Libraries, 2013)

Gulf Coast wetlands handbook - United States. Soil Conservation Service. (USDA, Soil Conservation Service, 1974)

The Gulf of Alaska : physical environment and biological resources - United States. Minerals Management Service. Alaska OCS Region. (U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Office of Oceanography and Marine Assessment, Ocean Assessments Division, Alaska Office, 1987)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1962)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1970)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1971)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1973)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1974)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1975)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1978)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1979)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1980)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1981)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1982)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1983)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1984)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1985)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1989)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1994)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1995)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1996)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1998)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1999)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 1953)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 2003)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 2004)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 2009)

hai yang sheng tai xue - Shen, Guoying & Shi Bingzhang (ke xue chu ban she, 2002)

hai yang sheng wu xue - Xiang, Jianhai. (ke xue chu ban she, 2003)

Haliburton flora : an annotated list of the vascular plants of the County of Haliburton, Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1991)

Hand-list of herbaceous plants cultivated in the Royal Botanic Gardens (Printed for H. M. Stationery Off. by Darling, 1902)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - 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, 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 grasses : treating of their structure, classification, geographical distribution and uses : also describing the British species and their habitats - Hutchinson, William, fl 1895 - (Swan Sonnenschien & Co, 1895)

Handbook of grasses, treating of their structure, classification, geographical distribution and uses, also describing the British species and their habitats - Hutchinson, William M. (S. Sonnenschein, 1910)

A handbook of Nebraska grasses; with illustrated keys for their identification, together with a general account of their structure and economic importance - Link, George K. K. (George Konrad Karl), 1888 - (1915)

Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson, 1881)

Handbook of plants and general horticulture - Henderson, Peter. (1890)

Handbook of reptiles and amphibians of Florida - Ashton, Patricia Sawyer. (Windward Pub, 1900)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (Reeve, 1858)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles : for the use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeves, 1887)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in, the British Isles - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1892)

Handbook of the British flora, a description of the flowering plants and ferns indigenous to or naturalised in the British Isles. For use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1900)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve, 1865)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (L. Reeve, 1865)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (L. Reeve, 1858)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve, 1908)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles. For the use of beginners and amateurs. By George Bentham - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & Co, 1920)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in, the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve & Co., ltd, 1918)

Handbook of the flora of Philadelphia and vicinity, containing data relating to the plants within the following radius: eastern Pennsylvania; all of New Jersey except the northern counties; and New Castle County, Delaware, with keys for identification of species - Brown, Stewardson, 1867 -1921 (Philadelphia Botanical Club, 1905)

Handbook of the wild and cultivated flowering plants, by Chester Arthur Darling... - Darling, Chester Arthur. (The Mason-Henry press, 1912)

A handbook to plants in Victoria - Willis, J. H. (James Hamlyn) 1910 -1995 (Melbourne University Press, 1970)

A handbook to the flora of Natal - Wood, John Medley, 1827 -1915 (Bennett & Davis, Printers, 1907)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Botanik - Schenk, A. (August), 1815 -1891 (E. Trewendt, 1879)

Handbuch der Naturgeschichte aller drei Reiche, fur Lehrer and Lernende, fur Schule und Haus - Bromme, Traugott, 1802 -1866 (1850)

Handbuch der Naturgeschichte. Zum Gebrauch bei vorlesungen - Burmeister, Hermann, 1807 -1892 (Verlag von Theod. Chr. Friedr. Enslin, 1836)

Handbuch für botanische Bestimmungsübungen - Niedenzu, Franz, 1857 -1937 (Engelmann, 1895)

Handbuch zur Erkennung der nutzbarsten und am häufigsten vorkommenden Gewächse - Link, Heinrich Friedrich, 1767 -1851 (Spenerschen Buchhandlung, 1829)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1889)

Hardy easy-to-grow plants for more ducks, better sport - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wild Life Nurseries, 1957)

Hardy easy-to-grow plants for more ducks, better sport - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickelbein's Wild Life Nurseries, 1950)

Harmful non-indigenous species in the U.S. : hearings before the Committee on Governmental Affairs, United States Senate, One Hundred Third Congress, second session, March 11 and 15, 1994 - United States. Congress. Senate. Committee on Governmental Affairs. (U.S. G.P.O, 1994)

Hayward's Botanist's pocket-book; containing the chief characteristics of British plants; with botanical name, common name, soil or situation, colour, growth, and time of flowering of every plant, arranged under its own order - Druce, George Claridge, 1850 -1932 (G. Bell, 1930)