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

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1967)

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

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1985)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1988)

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

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)

gui zhou jing ji zhi wu tu shuo . di jiu ce 贵州经济植物图说.第九册 - Wang, Xingguo 王兴国 (gui zhou ren min chu ban she 贵州人民出版社, 1962)

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)

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

Gymnosperms; structure and evolution - Chamberlain, Charles Joseph, 1863 -1943 (The University of Chicago Press, 1935)

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, 1906)

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)

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

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

Handbuch der palaeontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (R. Oldenbourg, 1890)

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

Handleiding tot de kennis der flora van Nederlandsch Indië : Beschrijving van de families en geslachten der Nederl. Indische phanerogamen - Boerlage, Jacob Gijsbert, 1849 -1900 (E.J. Brill, 1900)

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, 1878)

Hardy flowers. Descriptions of upwards of thirteen hundred of the most ornamental species, with directions for their arrangement, culture, etc. ... - Robinson, W. (William), 1838 -1935 (Macmillan, 1878)

he bei yuan chan ji xi xian zai pei zhi wu ming lu - Beijing da xue. Sheng wu xi.

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1890)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1891)

Herbertia - American Plant Life Society. ([American Plant Life Society], 1996)

Herbertia - American Plant Life Society. ([American Plant Life Society], 1998)

Heredity and evolution in plants - Gager, C. Stuart (Charles Stuart), 1872 -1943 (Blakiston, 1920)

Homage to Standley; papers in honor of Paul C. Standley - Chicago Natural History Museum. (1963)

Hortus suburbanus calcuttensis. A catalogue of the plants which have been cultivated in the Hon. East India company’s botanical garden, Calcutta, and in the Serampore botanical garden ... from the beginning of both establishments (1786 and 1800) to the end of August 1841 ... - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

Host plants of leaf beetle species occurring in the United States and Canada : (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae) - Coleopterists Society. (Coleopterists Society, 2004)

Houtsoorten van Nederlandsch Oost-Indië, tevens beschrijving der meest bekende boomen van den Nederlandsch-Indischen Archipel en hunne waarde voor de huishouding - Eeden, Frederik Willem van, 1829 -1901 (De Erven Loosjes, 1905)

hu bei en shi yao yong zhi wu zhi 湖北恩施药用植物志 - Fang, Zhixian & Liao Chaolin 方志先，廖朝林 (hu bei ke xue ji shu chu ban she湖北科学技术出版社, 2006)

hua bei jing ji zhi wu zhi yao - Cui, Youwen. (zhong guo ke xue yuan chu ban)

huang tu gao yuan zhi wu zhi - Xi bei zhi wu yan jiu suo 西北植物研究所 (ke xue chu ban she, 2000)

Human poisoning from native and cultivated plants - Duke University Press. (Duke University Press, 1974)

Human poisoning from native and cultivated plants - Duke University Press. (Duke University Press, 1969)

Icones Bogorienses - Kebun Raya Indonesia. (E. J. Brill, 1901)

Icones Bogorienses - Kebun Raya Indonesia. (E. J. Brill, 1897)

Icones plantarum formosanarum nec non et contributiones ad floram formosanam : or, Icones of the plants of Formosa, and materials for a flora of the island, based on a study of the collections of the Botanical survey of the Government of Formosa - Taiwan. Shokusankyoku. (Bureau of Productive Industry, Government of Formosa, 1911)

Icones plantarum Formosanarum nec non et contributiones ad floram Formosanam; or, Icones of the plants of Formosa, and materials for a flora of the Island, based on a study of the collections of the Botanical Survey of the Government of Formosa - Hayata, Bunzō, 1874 -1934 (Published by the Bureau of Productive Industries, Government of Formosa, 1911)

Idaho's rare vascular flora : bibliography, 1896-1991 - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1992)

Identification notes - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1954)

Identification of the economic woods of the United States, including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (J. Wiley & Sons, 1919)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1939)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1970)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 1987)

Illinois wild flowers - Eifert, Virginia Louise Snider, 1911 -1966 (1960)

An illustrated dictionary of scientific terms - Rossiter, William, 1897 (G. P. Putnam's Sons, 1878)

An illustrated flora of the northern United States, Canada and the British possesions from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridian. Vol. 3, Apocynaceae to Compositae, dogbane to thistle - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1896)

An illustrated flora of the northern United States, Canada and the British possessions from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's Sons, 1896)

An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1913)

An illustrated flora of the northern United States, Canada and the British possesions from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridian. Vol. 3, Apocynaceae to Compositae, dogbane to thistle - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1898)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1944)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1960)

Illustrated manual of proposed endangered and threatened plants of Utah - U.S. Fish; Wildlife Service (Denver, Colorado, 1979)

Illustrierte Flora von Nord- und Mittel-Deutschland, mit einer Einführung in die Botanik - Potonié, H. (Henry), 1857 -1913 (J. Springer, 1889)

Incrementa florae phaenogamae Rossicae - Trautvetter, Ernst Rudolph von, 1809 -1889 ([s.l.], 1882)

Index : appendix to flora of the Columbia County area, New York - McVaugh, Rogers, 1909 -2009 (University of the State of New York, 1958)

Index herbariorum - International Association for Plant Taxonomy (Published and Distributed for International Association for Plant Taxonomy by New York Botanical Gardens, 1990)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1976 and the end of 1980 with some omissions from earlier years. Supplement seventeen - Royal Botanic Gardens, Kew. (Clarendon Press, 1901)