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, 1891)

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

Hawaiian biogeography : evolution on a hot spot archipelago - Funk, V. A. (Vicki Ann), 1947 - (Smithsonian Institution Press, 1995)

Hawaiian Fungi - Stevens, Frank Lincoln, 1871 -1934 (The Museum, 1925)

Herbarium : Organ zur Förderung des Austausches wissenschaftlicher Exsiccatensammlungen (Theodor Oswald Weigel, 1908)

Herbertia - American Plant Life Society. ([American Plant Life Society], 2002)

Der Hercynische Florenbezirk : Grundzüge der Pflanzenverbreitung im mitteldeutschen Berg- und Hügellande vom Harz bis zur Rhön, bis zur Lausitz und dem Böhmer Walde - Drude, Oscar, 1852 -1933 (W. Engelmann, 1902)

Herpetofaunal diversity of Ha Giang Province in northeastern Vietnam, with descriptions of two new species - Bain, Raoul H. (American Museum of Natural History, 2004)

A history of botany, 1860-1900; being a continuation of Sachs "History of botany, 1530-1860" - Sachs, Julius, 1832 -1897 (Clarendon Press, 1909)

A history of botany 1860-1900; being a continuation of Sachs History of botany, 1530-1860,' - Sachs, Julius, 1832 -1897 (Clarendon press, 1909)

A history of botany 1860-1900; being a continuation of Sachs History of botany, 1530-1860,' - Sachs, Julius, 1832 -1897 (Clarendon Press, 1909)

Hortus Bengalensis : or, A catalogue of the plants growing in the ... Botanic Garden at Calcutta - Roxburgh, William, 1751 -1815 (1814)

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)

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)

Icones Bogorienses - Kebun Raya Indonesia. (E. J. Brill, 1904)

Icones Bogorienses - Kebun Raya Indonesia. (E. J. Brill, 1906)

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)

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 (John Wiley & sons, inc.; [etc., etc. ], 1919)

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)

The identification of trees & shrubs; how to recognize, without previous knowledge of botany, wild or garden trees and shrubs native to the north temperate zone - Makins, F. K. (Dutton, 1937)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1996)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1998)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1915)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1916)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1927)

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, 1956)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1997)

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

Illustriertes Handbuch der Laubholzkunde :Charakteristik der in Mitteleuropa heimischen und im freien angepflanzten angiospermen Geho¨lz-Arten und Formen mit Ausschluss der Bambuseen und Kakteen - Schneider, Camillo, 1876 -1951 (G. Fischer, 1912)

Die immergrünen Ziergëholze von Süd-Tirol - Entleutner, Anton. (M. Huttler, 1891)

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)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1986 and the end of 1990 with some omissions from earlier years. Supplement nineteen - Royal Botanic Gardens, Kew. (1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1991 and the end of 1995 with some omissions from earlier years. Supplement twenty - Royal Botanic Gardens, Kew. (Royal Botanic Gardens, Kew, 1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1981 and the end of 1985 with some omissions from earlier years. Supplement eighteen - Royal Botanic Gardens, Kew. (Clarendon Press, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXI usque ad finem anni MDCCCCXXV complectens. Supplementum septimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCI usque ad finem anni MDCCCCV complectens. Supplementum tertium - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCLI usque ad finem anni MDCCCCLV nonnulla etiam antea edita complectens. Supplementum duodecimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCLXI usque ad finem anni MDCCCCLXV nonnulla etiam antea edita complectens. Supplementum quartum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXVI usque ad finem anni MDCCCCXXX complectens. Supplementum octavum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium familiarum et graduum infrafamiliarum ab initio anni MDCCCCLXXI usque ad finem anni MDCCCCLXXV nonnulla etiam antea edita complectens. Supplementum sextum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXVI usque ad finem anni MDCCCCXX complectens. Supplementum sextum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCVI usque ad finem anni MDCCCCX complectens. Supplementum quartum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1913)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCLXVI usque ad finem anni MDCCCCLXX nonnulla etiam antea edita complectens. Supplementum quintum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXLI usque ad finem anni MDCCCCL nonnulla etiam antea edita complectens. Supplementum undecimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXXI usque ad finem anni MDCCCCXXXV complectens. Supplementum nonum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index kewensis plantarum phanerogamarum nomina et synonyma omnium generum et specierum a Linnaeo usque ad annum 1885 complectens nomine recepto auctore patria unicuique plantae subjectis. Supplementum, nomina et synonyma omnium generum et specierum - Royal Botanic Gardens, Kew. (E prelo Clarendoniano, 1901)

Index plantarum Japonicarum, sive, Enumeratio plantarum omnium ex insulis Kurile, Yezo, Nippon, Sikoku, Kiusiu, Liukiu, et Formosa hucusque cognitarum systematice et alphabetice disposita adjectis synonymis selectis, nominibus Japonicis, locis natalibus - Matsumura, Jinzo, 1856 -1928 (Apud Maruzen, 1904)

Index Rafinesquianus : the plant names published by C. S. Rafinesque with reductions, and a consideration of his methods, objectives, and attainments - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Arnold Arboretum of Harvard University, 1949)

Index seminarii Horti Botanici Hamburgensis - Institut für Allgemeine Botanik Hamburg. ([Institut für Allgemeine Botanik Hamburg], 1928)

Index seminarii Horti Botanici Hamburgensis - Institut für Allgemeine Botanik Hamburg. ([Institut für Allgemeine Botanik Hamburg], 1932)

Index seminarii Horti Botanici Hamburgensis - Institut für Allgemeine Botanik Hamburg. ([Institut für Allgemeine Botanik Hamburg], 1933)

Index seminum - Universität Frankfurt am Main. Botanischer Garten. (Botanischer Garten, 1931)

Index seminum - Universität Frankfurt am Main. Botanischer Garten. (Botanischer Garten, 1930)

Index seminum - Universität Frankfurt am Main. Botanischer Garten. (Botanischer Garten, 1929)

Index seminum - Universität Frankfurt am Main. Botanischer Garten. (Botanischer Garten, 1927)

Index seminum in R. Horto Botanico Senensi anno ... collectorum - Università di Siena. Orto Botanico. (Typis Lazzeri, 1912)

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1985)

The indigenous trees of the Hawaiian Islands - Rock, Joseph F. (Joseph Francis), 1884 -1962 (J.F. Rock, 1913)

The indigenous trees of the Hawaiian Islands - Rock, Joseph F. (Joseph Francis), 1884 -1962 (1913)