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The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1986)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1987)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1990)

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The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1975)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1976)

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, 1981)

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Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1879)

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

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

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 - guang xi ke xue yuan guang xi zhi wu yan jiu suo bian (guang xi ke xue ji shu chu ban she, 1991)

guang xi zhong yao zhi - guang xi tong zu zi zhi qu wei sheng ting bian (guang zi tong zu zi zhi qu ren min chu ban she, 1959)

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 - Wang, Xingguo 王兴国 (gui zhou ren ming 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 . 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)

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

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

Guide to the literature of botany. Being a classified selection of botanical works, including nearly 6000 titles not given in Pritzel's 'Thesaurus.' - Jackson, Benjamin Daydon, 1846 -1927 (Pub. for the Index society, by Longmans, Green & co, 1881)

Guide to the literature of botany. Being a classified selection of botanical works, including nearly 6000 titles not given in Pritzel's 'Thesaurus.' - Jackson, Benjamin Daydon, 1846 -1927 (Pub. for the Index society, by Longmans, Green & Co, 1881)

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)

A guide to the wild flowers east of the Mississippi and north of Virginia - Taylor, Norman, 1883 -1967 (Greenberg, 1928)

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, 1968)

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Hamburger Garten- und Blumenzeitung (R. Kittler, 1875)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1880)

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

Hamburger Garten- und Blumenzeitung (R. Kittler, 1890)

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

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)

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

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