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 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, 1897)

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 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)

Illustrated key to the wild and commonly cultivated trees of the northeastern United States and adjacent Canada; based primarily upon leaf characters - Collins, J. Franklin (James Franklin), 1863 -1940 (Holt, 1912)

The illustration horticole : an illustrated monthly review of new and interesting plants with their descriptions, history and culture - Linden, Jean Jules, 1817 -1898 (J. Linden, 1874)

Illustrations of Indian botany :or figures illustrative of each of the natural orders of Indian plants, described in the author's prodromus florae peninsulae Indiae orientalis - Wight, Robert, 1796 -1872 (published by J. B. Pharoah for the author, 1850)

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)

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

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

Index Kewensis plantarum phanerogamarum : nomina et synonym omnium generum et specierum a linnaeo usque as annum MDCCLXXXV complectans nomine recepro auctore patria unicuique planta subjectis : sumptibus beati Caroli Roberti Darwin ductu et consilio Josephi D. Hooker Tomus 1-2 = Index Kewensis : an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive together with their authors names, the works in which they were first published, their native countries and thei - Hooker, Joseph Dalton, 1817 -1911 (Clarendon Press, 1893)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCLXXXVI usque ad finem anni MDCCCXCV complectens Supplementum primum - Royal Botanic Gardens, Kew. (apud Alfredum Castaigne)

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)

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)

Index of plants. 1912 - Anderson, James Webster. (Printed at the Methodist Publishing House, 1912)

Index palaeontologicus : oder Übersicht der bis jetzt bekannten fossilen Organismen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweitzerbart, 1848)

Index seminarii Horti Botanici Hamburgensis - Institut für Allgemeine Botanik Hamburg. ([Institut für Allgemeine Botanik Hamburg], 1935)

Index Seminum horti regii Botanici Acadici Conimbricensis ... mutuae commutationi oblatus - Universidade de Coimbra. Instituto Botânico. (Typis Academicis, 1913)

Index Seminum horti regii Botanici Acadici Conimbricensis ... mutuae commutationi oblatus - Universidade de Coimbra. Instituto Botânico. (Typis Academicis, 1894)

Index Seminum in R. Athenaei Messanensis horto anno ... lectorum - Orto botanico Pietro Castelli. (Stampe alla direzione dell'Orto botanico di Messina (Italia), 1904)

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

Index seminum, quae Hortus Botanicus Imperialis Petropolitanus pro mutua commutatione offert : accedunt Animadversiones botanicae nonnullae - Meyer, Carl Anton, 1795 -1855 (Hortus, 1845)

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

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1996)

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)

Die indo-malayische Strandflora - Schimper, A. F. W. (Andreas Franz Wilhelm), 1856 -1901 (G. Fischer, 1891)

Insekten-Börse (1904)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1902)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1905)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1902)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1911)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1914)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1915)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1916)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1903)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1905)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1906)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1909)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)