Great Basin naturalist memoirs - Brigham Young University. (Brigham Young University, 1987)

The Great Lakes botanist : a journal of North American botany - Michigan Botanical Club, (Michigan Botanical Club, 2017)

The Great Lakes botanist : a journal of North American botany - Michigan Botanical Club, (Michigan Botanical Club, 2018)

Green Pastures Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Green Pastures Gardens, 1943)

Green Pastures Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Green Pastures Gardens, 1942)

Green Pastures Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Green Pastures Gardens, 1944)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1975)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1950)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1978)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1980)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1983)

Green thumb newsletter - Denver Botanic Gardens. (Denver Botanic Gardens, 1965)

Die Grossschmetterlinge der Erde : eine systematische Bearbeitung der bis jetzt bekannten Grossschmetterlinge - Seitz, Adalbert, 1860 -1938 (Verlag des Seitzschen Werkes (Alfred Kernen), 1935)

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

Guan yu wu zhong yu wu zhong xing cheng wen ti de tao lun. Di 7 ji - Wang, Jue & Yuan Deng. (ke xue chu ban she, 1955)

guang xi zhi wu ming lu . di er ce shuang zi ye zhi wu 广西植物名录.第二册,双子叶植物 - guang xi zhi wu yan jiu suo bian xie 广西植物研究所编写 (guang xi zhi wu yan jiu suo 广西植物研究所, 1971)

guang xi zhi wu zhi di er juan zhong zi zhi wu - Li, Shugang (guang xi ke xue ji shu chu ban she, 2005)

guang zhou chang jian jing ji zhi wu - Zhongguo zhi wu xue hui guang zhou fen hui (中国植物学会广州分会编)

guang zhou zhi wu jian suo biao - Hou, Kuanzhao 侯宽昭 (ke xue chu ban she, 1957)

guang zhou zhi wu zhi - Hou, Kuanzhao 侯宽昭 (ke xue chu ban she)

gui zhou jing ji zhi wu tu shuo - Lin, Xiujin (gui zhou ren ming chu ban she)

gui zhou jing ji zhi wu tu shuo - Wang, Xingguo 王兴国 (gui zhou ren ming chu ban she)

gui zhou jing ji zhi wu tu shuo . di ba ce 贵州经济植物图说.第八册 - Wang, Xingguo 王兴国 (gui zhou ren min chu ban she 贵州人民出版社, 1962)

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)

A guide to freshwater wetland plants - Boston Conservation Commission. (1975)

Guide to inland vegetated wetlands in Massachusetts - Massachusetts. Division of Wetlands; Waterways Regulation. (Dept. of Environmental Quality Engineering, Division of Wetlands and Waterways, 1988)

Guide to the Economic Museum of the New York Botanical Garden - Rusby, Henry Hurd, 1855 -1940 (1921)

A guide to the identification of our more useful timbers, being a manual for the use of the students of forestry - Stone, Herbert (University Press, 1920)

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)

A guide to the natural history of the Isle of Wight : a series of contributions by specialists relating to the various branches of natural history and kindred subjects - Morey, Frank, 1858 -1925 (The County Press, 1909)

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

Guide to the trees and shrubs of Minnesota - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University of Minnesota, 1910)

Guide to trees and shrubs, based on those of Greater New York; native, naturalized, and commonly cultivated exotic kinds - Rush, Hester Mary, 1890 - (1949)

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

Halteres - ANeT-India. (Organisation for Conservation and Study of Biodiversity in collaboration with ANeT-India, 2015)

Hand book and catalogue of pot grown rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1948)

A hand book of the geography and natural history of the province of Nova Scotia - Dawson, J. W., (John William), 1820 -1899 (J. Dawson, 1848)

A hand book of the geography and natural history of the province of Nova Scotia for the use of schools, families, and travellers - Dawson, J. W., (John William), 1820 -1899 (J. M'Pherson, 1860)

A hand book of the geography and natural history of the province of Nova Scotia for the use of schools, families, and travellers - Dawson, J. W., (John William), 1820 -1899 (J. Dawson, 1857)

A hand book of the geography and natural history of the province of Nova Scotia, for the use of schools and families - Dawson, J. W., (John William), 1820 -1899 (J. Dawson, 1851)

Hand-list of Coniferae : grown in the Royal botanic gardens - Royal Botanic Gardens, Kew. (Printed for H. M. Stationery off. by Darling & son, Ltd, 1903)

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

Hand-list of trees and shrubs, excluding Coniferae, grown in Arboretum - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1902)

Handbook and catalog of pot grown rock plants for 1950 and 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1950)

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 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, 1906)

Handbook of Nebraska trees : a guide to the native and most important introduced species - Pool, Raymond J. (Raymond John), 1882 -1967 (University of Nebraska, 1919)

Handbook of plant morphology; being the Handbook of plant dissection - Coulter, John Merle, 1851 -1928 (H. Holt and Company, 1904)

Handbook of plant morphology, being the Handbook of plant dissection - Caldwell, Otis W. (Otis William), 1869 -1947 (Holt, 1904)

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 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)

A handbook of the geography and natural history of the province of Nova Scotia for the use of schools, families, and travellers - Dawson, J. W., (John William), 1820 -1899 (M'Pherson, 1863)

A handbook of the trees of California - Eastwood, Alice, 1859 -1953 (California Academy of Sciences, 1905)

Handbook of the trees of New England, with ranges throughout the United States and Canada - Brooks, Henry, 1857 - (Ginn, 1901)

Handbook of the trees of New England, with ranges throughout the United States and Canada - Bigelow, Elizabeth Gleason. (Ginn, 1901)

Handbook of the trees of the northern states and Canada east of the Rocky mountains - Hough, Romeyn Beck, 1857 -1924 (Macmillan, 1907)

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

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

Handbuch der Forstwissenschaft - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1912)

Handbuch der Laubholzkunde : Beschreibung der in Deutschland heimischen und im Freien kultivierten Bäume und Sträucher. Für Botaniker, Gärtner und Forstleute - Dippel, Leopold, 1827 -1914 (P. Parey, 1889)

Handbuch der Laubholzkunde. Beschreibung der in Deutschland heimischen und im Freien kultivierten Bäume und Sträucher - Dippel, Leopold, 1827 -1914 (P. Parey, 1889)