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The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1983)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1984)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1985)

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, 1991)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1996)

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The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1963)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1965)

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, 1981)

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

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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 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)

Guayule (Parthenium argentatum Gray), a rubber-plant of the Chihuahuan Desert - Lloyd, Francis Ernest, 1868 -1947 (Carnegie Institution of Washington, 1911)

gui zhou jing ji zhi wu tu shuo . di shi yi ce 贵州经济植物图说.第十一册 - Wang, Xingguo 王兴国 (gui zhou ren min chu ban she 贵州人民出版社, 1962)

Guide to popular floras of the United States and Alaska : an annotated, selected list of nontechnical works for the identification of flowers, ferns, and trees - Blake, S. F. (Sidney Fay), 1892 -1959 (U.S. Dept. of Agriculture, 1954)

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

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

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

Guyana : Acarai-Corentyne Corridor - Field Museum of Natural History. (Field Museum, Keller Science Action Center,, 2025)

Gymnospermae : Cycadaceae, Pinaceae, Taxodiaceae, Cupressaceae, Podocarpaceae, Cephalotaxaceae, Taxaceae, Gnetaceae - Muséum national d'histoire naturelle (France) (1996)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1860)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1864)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1888)

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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)

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

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

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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)

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The handbook to the flower garden and greenhouse - Glenny, George, 1793 -1874 (W. Kent, 1859)