Handbuch der Tropenkrankheiten - Mense, Carl Anton, 1861 -1938 (J. A. Barth, 1914)

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

Handbuch zur Erkennung der nutzbarsten und am häufigsten vorkommenden Gewächse - Link, Heinrich Friedrich, 1767 -1851 (Spenerschen Buchhandlung, 1829)

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, 1890)

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 Pharmakognosie des Pflanzenreichs - Wittstein, Georg Christian, 1810 -1887 (E. Trewendt, 1882)

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 ornamental flowering trees and shrubs - Webster, A. D. (Angus Duncan), 1855 -1931 (Smith, Elder, 1908)

Hardy woody plants in the New York Botanical Garden - New York Botanical Garden (New York Botanical Garden, 1920)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1916)

he bei mu lan wei chang zhi wu zhi 河北木兰围场植物志 - Zhao, Jiancheng & Kong Zhaopu 赵建成, 孔照普 (ke xue chu ban she科学出版社, 2008)

he bei xi jian shu mu tu shuo - Zhou, Hanfan (jing sheng sheng wu diao cha suo, 1934)

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

he nan jing ji zhi wu zhi 河南经济植物志 - Shi, Huamin & Zhang Mingzhe 时华民 & 张铭哲 (he nan ren min chu ban she河南人民出版社, 1963)

he nan xi jian tian jian za cao tu shuo - he nan nong xue yuan (he nan ren min chu ban she, 1959)

Hedwigia (Verlag und Druck von C. Heinrich, 1878)

Hedwigia (Verlag und Druck von C. Heinrich, 1884)

Hedwigia (Verlag und Druck von C. Heinrich, 1897)

Hedwigia (Verlag und Druck von C. Heinrich, 1898)

Hedwigia (Verlag und Druck von C. Heinrich, 1901)

Hedwigia (Verlag und Druck von C. Heinrich, 1907)

The herbaceous garden - Martineau, Alice Vaughan-Williams. (Williams & Norgate, 1913)

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

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

Herbertia - American Plant Life Society. ([American Plant Life Society], 1999)

Historia naturalis palmarum :opus tripartium / Carol. Frid. Phil. de Martius - Bauer, Ferdinand, 1760 -1826 (T.O. Weigel, 1823)

History of Lancaster County - Rupp, I. Daniel (Israel Daniel), 1803 -1878 (G. Hills, 1844)

History of Lancaster County : to which is prefixed a brief sketch of the early history of Pennsylvania - Rupp, I. Daniel (Israel Daniel), 1803 -1878 (G. Hills, 1844)

History of Lancaster County : to which is prefixed a brief sketch of the early history of Pennsylvania - Rupp, I. Daniel (Israel Daniel), 1803 -1878 (Gilbert Hills, 1844)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1913)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1897)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1910)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1918)

Hortus addlestonensis, or, A descriptive catalogue of plants, &c - Cree, John. (Printed for Hurst, Chance, and Co, 1829)

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

Hortus Spaarn-Bergensis : plantarum quas in villa sua Spaarn-Berg, prope Harlemum, colit Adrianus van der Hoop ... catalogus alter - Doornik, J. J. F. H. T. Merkus. (Ex Bibliopolio Joannis Müller, 1849)

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)

Hortus suburbanus Londinensis, or, A catalogue of plants cultivated in the neighborhood of London : arranged according to the Linnean system, with the addition of the natural orders to which they belong, references to books where they are described, their native places of growth, when introduced, time of flowering, and reference to figures - Sweet, Robert, 1783 -1835 (Printed for James Ridgway, 1818)

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)

hu nan lin qu zhi wu ming chen - lin ye bu diao cha she ji ju shen lin zong he diao cha dui lin xing zu cai ji (zhong guo ke xue yuan hua nan zhi wu yan jiu suo jian zhi)

hu nan lin ye - Hunan lin xue yuan (gao deng jiao yu chu ban she, 1959)

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

huang he zhong you huang tu qu zhi wu ming lu - Zhongguo ke xue yuan. Xi bei sheng wu tu rang yan jiu suo zhi wu zu bian (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)

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 (Pub. by the 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 - Taiwan. Shokusankyoku. (Bureau of Productive Industry, Government of Formosa, 1911)

Icones plantarum or figures, with brief descriptive characters and remarks, of new or rare plants, selected from the author's herbarium - Hooker, Joseph Dalton, 1817 -1911 (Longman, Rees, Orme, Brown, Green, & Longman, etc, 1913)

Iconographia familiarum naturalium regni vegetabilis = Abbildungen der natürlichen Familien des Gewächsreiches : delineata atque adiectis familiarum characteribus adnotationibusque variis tum scientiam tum usum spectantibus exornata - Schnizlein, Adalbert, 1814 -1868 (M. Cohen, 1843)

Iconum botanicarum index locupletissimus = Die Abbildungen sichtbar blühender Pflanzen und Farnkräuter : aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (In Libraria F. Nicolai, 1855)

Identification of Philippine woods by anatomical characters - Kanehira, Ryōzō, (Government Research Institute, 1924)

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)

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, 1960)

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

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

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 2007)

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

The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. U. Gill, 1884)

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

An illustrated encyclopaedia of gardening - Wright, Walter P. (Walter Page), 1864 -1940 (J. M. Dent & sons, ltd, 1911)

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, 1960)