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

Handbuch der Botanik - Schenk, A. (August), 1815 -1891 (E. Trewendt, 1879)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1921)

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

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1913)

Handbuch der Pflanzenkrankheiten - Lindau, Gustav, 1866 -1923 (P. Parey, 1908)

Handbuch der praktischen Botanik : enthaltend die Geschichte, Beschreibung und Anwendung sämmtlicher in Deutschland wildwachsenden und in den Gärten und Gewächshäusern cultivierten Pflanzen - Voigt, F. S. (Friedrich Siegmund), 1781 -1850 (F. Mauke, 1850)

Handbuch der systematischen botanik, mit besonderer berücksichtigung der arzneipflanzen. Bd. 1 - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

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)

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)

Harvard botanical memoirs - Harvard University. (Harvard University], 1890)

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 sheng guo shu zhi - he bei sheng nong ye ke xue yuan guo shu yan jiu suo (he bei ren min chu ban she, 1959)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1905)

Hedwigia (Verlag und Druck von C. Heinrich, 1921)

Hedwigia (Verlag und Druck von C. Heinrich, 1922)

hei long jiang sheng zhi wu zhi 黑龙江省植物志 - Zhou, Yiliang 周以良 (dong bei lin ye da xue chu ban she东北林业大学出版社, 1985)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1906)

Herbertia - American Plant Life Society. ([American Plant Life Society], 1986)

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

Herbertia - American Plant Life Society. ([American Plant Life Society], 2003)

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

Heredity and evolution in plants - Gager, C. Stuart (Charles Stuart), 1872 -1943 (P. Blakiston's Son & Co, 1920)

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)

The history of creation, or, The development of the earth and its inhabitants by the action of natural causes : a popular exposition of the doctrine of evolution in general, and of that of Darwin, Goethe and Lamarck in particular - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (D. Appleton and Company, 1880)

The history of creation, or, The development of the earth and its inhabitants by the action of natural causes : doctrine of evolution in general, and of that of Darwin, Goethe, and Lamarck in particular / from the German of Ernst Haeckel ; the translation revised by E. Ray Lankester - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Henry S. King, 1876)

Honey plants of California - Richter, M. C. (Max Clemens), 1884 - (Agricultural Experiment Station, 1911)

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)

Hua dong shui sheng wei guan su zhi wu - Pei, Jian 裴鑑 (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)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Illustrated catalogue of microscopes, objectives, and accessories manufactured by Bausch & Lomb Optical Co - Bausch & Lomb Optical Company. (Press of A.J. Wegman, 1892)

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 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 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, 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, 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, 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, 1923)

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

An illustrated guide to the flowering plants of the middle Atlantic and New England states (excepting the grasses and sedges) the descriptive text written in familiar language - Stevens, George T. (George Thomas), 1832 -1921 (Dodd, Mead and company, 1910)

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

Illustriertes Forst- und Jagd- Lexikon. Unter Mitwirkung von Dr. Bühler [et al.] - Fürst, Hermann Heinrich von, 1837 - (P. Parey, 1904)

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, 1906)

Illustriertes Handbuch der Laubholzkunde; Charakteristik der in Mitteleuropa heimischen und im Freien angepflanzten angiospermen Gehölz-Arten und Formen mit Ausschluss der Bambuseen und Kakteen. Register - Schneider, Camillo, 1876 -1951 (G. Fischer, 1912)

Illustriertes Handwörterbuch der Botanik - Linsbauer, Karl, 1872 -1934 (W. Engelmann, 1917)

Illustriertes Jahrbuch der Naturkunde (Karl Prochaska, 1905)

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 Part II Collectors - International Bureau For Plant Taxonomy; Nomenclature (Bohn, Scheltema & Holkema, 1983)

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], 1894)

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

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

Index Seminum horti regii Botanici Acadici Conimbricensis ... mutuae commutationi oblatus - Universidade de Coimbra. Instituto Botânico. (Typis Academicis, 1936)

Index Seminum horti regii Botanici Acadici Conimbricensis ... mutuae commutationi oblatus - Universidade de Coimbra. Instituto Botânico. (Typis Academicis, 1937)

Index Seminum horti regii Botanici Acadici Conimbricensis ... mutuae commutationi oblatus - Universidade de Coimbra. Instituto Botânico. (Typis Academicis, 1938)

Index seminum in Horto Regio Neapolitano anno ... collectorum quae mutua commutatione, offeruntur - Regia Università di Napoli. Orto botanico. (Horto Regio Neapolitano, 1909)

Index seminum in Horto Regio Neapolitano anno ... collectorum quae mutua commutatione, offeruntur - Regia Università di Napoli. Orto botanico. (Horto Regio Neapolitano, 1912)

Index seminum in Horto Regio Neapolitano anno ... collectorum quae mutua commutatione, offeruntur - Regia Università di Napoli. Orto botanico. (Horto Regio Neapolitano, 1932)

Index seminum in Horto Regio Neapolitano anno ... collectorum quae mutua commutatione, offeruntur - Regia Università di Napoli. Orto botanico. (Horto Regio Neapolitano, 1933)

Index seminum in R. Horto Botanico Senensi anno ... collectorum - Università di Siena. Orto Botanico. (Typis Lazzeri, 1914)

Index Seminum in R. Orto Botanico Calaritano ac per Sardiniae Insulam - R. Orto botanico calaritano. ([Orto Botanico dell'Università degli Studi], 1903)

Index Seminum in R. Orto Botanico Calaritano ac per Sardiniae Insulam - R. Orto botanico calaritano. ([Orto Botanico dell'Università degli Studi], 1906)

Index Seminum in R. Orto Botanico Calaritano ac per Sardiniae Insulam - R. Orto botanico calaritano. ([Orto Botanico dell'Università degli Studi], 1909)

Index seminum quae hortus botanicus Barcinonensis mutua commutatione offert ... - Instituto Botánico de Barcelona. (Instituto Botánico de Barcelona], 1938)

Index seminum quae ineunte anno ... pro mutua commutatione Hortus botanicus sassarensis offert - Università degli studi di Sassari. Istituto di botanica. (Tip. A. Forni, 1913)