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

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

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1986)

Illinois River Bluffs area assessment - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 1998)

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

Illustrated catalogue of ornamental trees, fruits, shrubs, and plants : together with valuable hints on the selection, propagation and care of stock : spray calendar and formulas - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reed Nursery & Orchard Co, 1930)

Illustrated catalogue of ornamental trees, fruits, shrubs and plants : together with valuable hints on the selection, propagation and care of stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cass Nurseries, 1921)

Illustrated catalogue of ornamental trees, fruits, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Rice, 1921)

Illustrated catalogue of ornamental trees, fruits, shrubs and plants : together with valuable hints on the selection, propagation and care of stock : spray calendar and formulas - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Page Valley Nurseries, 1928)

Illustrated descriptive catalogue of choice hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1893)

Illustrated descriptive catalogue of fruit and ornamental trees, shrubs, plants, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Marble City Nursery Co, 1928)

Illustrated descriptive catalogue of ornamental trees, fruit, shrubs and plants : together with valuable hints on the selection, propagation and care of stock and spray calendar and formulas - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.F. Humphrey, 1921)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (Balliére, Tindall & Cox, 1894)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son & Co, 1900)

An illustrated dictionary of medicine, biology and allied sciences ... by George M. Gould. 5th ed., with additions and corrections - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son, 1907)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston, Son & Co, 1894)

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

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)

An illustrated guide to the special status plants of the Shoshone Resource Area (Upper Snake River District) - United States. Bureau of Land Management. (Bureau of Land Management, Idaho State Office, 1998)

Illustrated natural history of British butterflies and moths - Newman, Edward, 1801 -1876 (Glaisher, 1869)

An illustrated natural history of British moths - Newman, Edward, 1801 -1876 (Hardwicke and Bogue, 1874)

Illustrated price list : spring, 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Hicks & Son, 1913)

Illustrated price list : spring, 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Hicks & Son, 1914)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1873)

Illustrations of the British flora: a series of wood engravings, with dissections, of British plants - Bentham, George, 1800 -1884 (L. Reeve & co, 1880)

Illustrierte Wochenschrift für Entomologie - Berliner Entomologische Gesellschaft. (J. Neumann, 1896)

Illustrierte Wochenschrift für Entomologie - Berliner Entomologische Gesellschaft. (J. Neumann, 1897)

Illustriertes Preisverzeichnis für 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ernst & von Spreckelsen, 1899)

Illustriertes Preisverzeichnis mit Culturanleitung aller Arten Samereien ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ernst & von Spreckelsen, 1912)

Illustriertes Preisverzeichnis : Verkaufsbedingungen u. Kulturanleitung - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ernst & von Spreckelsen, 1931)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1863)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1864)

Impacts of backcountry recreation : site management and rehabilitation : an annotated bibliography - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1981)

Impacts of land use practices on Merriam's turkeys in forested habitats in southeastern Montana : (ecology of Merriam's turkeys in relation to burned and logged areas in southeastern Montana) - Thompson, William L. (William Lawrence), 1962 - (Dept. of Fish Wildlife and Parks?, 1993)

Impressions of seedlings - Coulson, John, d.1926. (1899)

Index bibliographique de l'Hortus Belgicus : Catalogue méthodique des plantes ornementales qui ont été décrites, figurées ou introduites en Belgique de 1830 à 1880 - Morren, Édouard, 1833 -1886 (1887)

Index-catalogue of medical and veterinary zoology. Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1909)

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 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 supplementarius locorum natalium specialium plantarum nonnullarum vascularium in provincia Arctica Norvegiae sponte nascentium - Norman, J. M. (Johannes Musaeus), 1823 -1903 (Typ. expressit J.C. Manglie, 1864)

Index to 15-plate set of drawings of seeds. The more important forage-plant seeds and incidental seeds commonly found with them - Hillman, Fred Hebard, 1863 - (1945)

An index to circulars 1 to 100 of the Bureau of Entomology - United States. Bureau of Entomology. (U.S. Dept. of Agriculture, Bureau of Entomology, 1911)

Index to the native and scientific names of Indian and other eastern economic plants and products - Watson, J. Forbes (John Forbes), 1827 -1892 (India museum, 1868)

Index to the Plant disease reporter, supplements 130-132, 1941 - United States. Plant Disease Survey. (Plant DIsease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1942)

Indian medicinal plants - Basu, Baman Das, 1867 -1930 (Sudhindra Nath Basu, Pâninî office; [etc., etc.], 1918)

The Indiana weed book - Blatchley, W. S. (Willis Stanley), 1859 -1940 (The Nature publishing company, 1912)

The Indiana weed book - Blatchley, W. S. (Willis Stanley), 1859 -1940 (The Nature publishing company, 1920)

Indigenous drugs of India : their medical and economic aspects - Chopra, R. N. (Ram Nath), 1882 -1973 (The Art Press, 1933)

Information for and approaches to forage allocation - United States. Bureau of Land Management. (Colorado State University, 1981)

Information on file as cited in the Terrestrial Ecology Assessment chapter, Science Integration Team Report, Interior Columbia Basin Team Ecosystem Management Project - United States. Bureau of Land Management. ([U.S. Department of Agriculture, Forest Service], 1995)

Initial riparian and wetland vegetation classification and characterization of the Columbia Basin in Washington - United States. Environmental Protection Agency. (Washington State, Department of Natural Resources, 2001)

Injurious and beneficial insects of California - California. State Commission of Horticulture. (California state printing office, 1915)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2010)

Insect life - United States. Division of Entomology. (G.P.O, 1888)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1889)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1891)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1897)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1936)

Insects of New Jersey; a list of the species occurring in New Jersey, with notes on those of economic importance - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, state printers, 1900)

The insects of Virginia (Virginia Museum of Natural History, 1996)

Insekten-Börse (1892)

Insekten-Börse (1895)

Insekten-Börse (1902)

Insekten-Börse (1903)

Die Insekten-Welt : Zeitschrift des Internationalen Entomologen-Vereins - Internationaler Entomologischer Verein. (1885)

Integrated resource inventory of the East Beaver Lake assessment area : physical land and forage classifications - Alberta. Alberta Energy; Natural Resources. Resource Evaluation; Planning Division. (Alberta Energy & Natural Resources, Resource Evaluation & Planning Division, 1985)

Interior Columbia Basin ecosystem management project : analysis of vascular plants - Shelly, J. Stephen (U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station], 1997)

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

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1907)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1910)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1913)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1916)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1921)

Introductio ad historiam naturalem sistens genera lapidum, plantarum, et animalium :hactenus detecta, caracteribus essentialibus donata, in tribus divisa, subinde ad leges naturae - Scopoli, Giovanni Antonio, 1723 -1788 (Apud Wolfgangum Gerle, 1777)

Introduction to botany, containing an explanation of the theory of that science, extracted from the works of Linnaeus - Lee, J. (Bell, 1811)

An introduction to California plant life - Ornduff, Robert (University of California Press, 1974)

An introduction to the embryology of angiosperms - Maheshwari, P. (Panchanan), 1904 -1966 (McGraw-Hill, 1950)

An introduction to the study of botany, including a treatise on vegetable physiology, and descriptions of the most common plants in the middle and northern states - Comstock, J. L. (John Lee), 1789 -1858 (Pratt, Woodford, Farmer & Brace, 1856)

Inventaire des plantes phanérogames et cryptogames vasculaires croissant spontanément ou cultivées en grand dans le département de l'Orne - Letacq, Arthur Louis, 1855 -1923 (Jules Lecerf, 1906)

Iowa parks - Pammel, L. H. (Louis Hermann), 1862 -1931 (1920)

Iowa parks. Conservation of Iowa historic, scenic and scientific areas. Also, a description of numerous areas suitable for public state parks, with reasons for their preservation. Report of the State board of conservation - Pammel, L. H. (Louis Hermann), 1862 -1931 (1920)

Irish ethno-botany and the evolution of medicine in Ireland - Moloney, Michael Francis. (M. H. Gill, 1919)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1818)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1819)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1822)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1831)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1840)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1843)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1848)

Iter per Poseganam Sclavoniae provincism mensibus junio, et julio anno 1782 - Piller, Mathias, 1733 -1788 (Typis Regiae Universitatis, 1783)

J. M. Nickell's Botanical ready reference : especially designed for druggists and physicians ... - Nickell, J. M. (Nickell, 1881)

J. Sturms Flora von Deutschland : in Abbildungen nach der Natur - Sturm, Jakob, 1771 -1848 (K. G. Lutz, 1903)

J. Sturms Flora von Deutschland : in Abbildungen nach der Natur - Sturm, Jakob, 1771 -1848 (K. G. Lutz, 1905)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1859)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1861)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1904)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1910)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1912)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1913)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1915)

Jahrbuch des Königlichen Botanischen Gartens und des Botanischen Museums zu Berlin - Königlicher Botanischer Garten (Berlin, Germany) (Borntraeger, 1884)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1867)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1876)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1880)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1882)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1889)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1895)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1899)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1916)