Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1923)

Horti upsaliensis plantæ cultæ ab initio sæculi ... - Thunberg, Carl Peter, 1743 -1828 (excudebant Palmblad & c, 1826)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1921)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1919)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1979)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1985)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1846)

Host plants of leaf beetle species occurring in the United States and Canada : (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae) - Coleopterists Society. (Coleopterists Society, 2004)

How to easily beautify your home with with the world's finest trees, flowering shrubs, roses : delightful fragrance, exciting color all spring, summer, fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stark Bro's Nurseries & Orchards Co, 1952)

How to know and use the trees - Coker, William Chambers, 1872 -1953 (University of North Carolina Press, 1924)

How to plan the home grounds - Parsons, Samuel, 1844 -1923 (Doubleday & McClure co, 1899)

How, when, where and what to plant : Barr's : 1893-1958, 65 years - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (B.F. Barr & Son Nurseries, 1958)

Howell Nurseries : azaleas, magnolias, hollies, evergreens, flowering shrubs, ornamental trees and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1939)

Howell Nurseries : azaleas, magnolias, hollies, evergreens, flowering shrubs, ornamental trees and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1937)

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 & Son, 1912)

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 (Wiley, 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 (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 (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)

I.E. Ilgenfritz' Sons Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1925)

Ilgenfritz Monroe Nursery. No. 99A-S - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1945)

Ilgenfritz Monroe Nursery : No. 96 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1942)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1924)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1949)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1968)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1979)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1982)

Illinois birds, vireos - Graber, Jean W. (Jean Weber), 1924 -2015 (State of Illinois, Dept. of Energy and Natural Resources, Natural History Survey Division, 1985)

Illinois forest management : a quarterly newsletter for Illinois landowners - University of Illinois at Urbana-Champaign. Cooperative Extension Service. (Dept. of Forestry and the Cooperative Extension Service, University of Illinois at Urbana-Champaign, 1988)

Illinois' forest resource - Raile, Gerhard K. (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1988)

Illinois forest statistics, 1985 - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1987)

Illinois' forests in 1998 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, North Central Research Station, 2000)

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

Illinois trees: selection, planting, and care - Carter, J. Cedric (James Cedric), 1905 -1981 (1966)

Illustrated catalogue and practical planters guide combined : 1918 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1918)

An illustrated catalogue of American insect galls - Felt, Ephraim Porter, 1868 -1943 (1915)

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

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

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 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 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 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 Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1951)

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 longhorned woodboring beetles of the Eastern United States - Lingafelter, Steven W. (Coleopterists Society, 2007)

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)

Illustrated key to the wild and commonly cultivated trees of the northeastern United States and adjacent Canada; based primarily upon leaf characters - Preston, Howard W. 1859 - (H. Holt and company, 1912)

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 (McClelland and Goodchild, 1912)

Illustrated price catalogue & practical planters guide combined : 1919 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1919)

Illustrated price catalogue : 1917 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1917)

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

The important timber trees of the United States, a manual of practical forestry, for the use fo foresters, students and laymen in forestry, lumbermen, farmers and other land-owners, and all who contemplate growing trees for economic purposes - Elliott, Simon Bolivar (H. Mifflin, 1912)

The important timber trees of the United States; a manual of practical forestry for the user of foresters, students and laymen in forestry, lumbermen, farmers and other land-owners, and all who contemplate growing trees for economic purposes - Elliott, Simon Bolivar (Houghton Mifflin Company, The Riverside Press Cambridge, 1912)

Incrementa florae phaenogamae Rossicae - Trautvetter, Ernst Rudolph von, 1809 -1889 ([s.l.], 1882)

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 of organisms and non-parasitic diseases in Plant disease reporter, supplements LVIII-LXV, 1928 - Van Meter, Mary G. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1928)

Index of organisms and non-parasitic diseases in Plant disease reporter, supplements LXVII-LXXIII, 1929 - Van Meter, Mary G. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1929)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 105-110, 1938 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1939)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 121-128, 1940 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1941)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 91-96, 1936 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1936)

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 seminum - Missouri Botanical Garden. (Shaw Arboretum of the Missouri Botanical Garden, 1993)

Index seminum Horti Botanici Almaatensis Academiae Scientiaruim - Glavnyĭ botanicheskiĭ sad (Qazaq SSR ghylym akademii︠a︡sy) (Horti botanici Almaatensis Academiae Scientiaruim, 1937)

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

Index seminum quae Institutus Dendrologicus Brunensis pro mutua commutationae offert ... - Mendelova zemědělská a lesnická univevzita v Brně. (Institutus Dendrologicus Brunensis, 1933)

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

Index to supplements XIV-XVIII, Plant disease bulletin 1921 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1921)

Index to supplements XXVI-XXX, Plant disease bulletin 1923 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1923)

Indiana forest statistics, 1986 - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1988)

Indiana's forest resources and industries - Hutchison, O. Keith (Oliver Keith), 1917 - (U.S. Government Printing Office, 1956)

Indiana's forests in 1998 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, North Central Research Station, 2000)

Indiana's timber industry–an assessment of timber product output and use, 1995 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, North Central Research Station, 1998)

Indiana's timber resource, 1986 : an analysis - Spencer, John S. (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1990)

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, 2006)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2014)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2017)

INPS journal - Indiana Native Plant Society. (Indiana Native Plant Society, 2019)

Insect galls of Springfield, Massachusetts, and vicinity - Stebbins, Fannie Adelle. (Springfield Museum of Natural History, 1909)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1939)

Insects affecting park and woodland trees - Felt, Ephraim Porter, 1868 -1943 (New York State Education Dept, 1905)

Insects galls of Springfield, Massachusetts, and vicinity - Stebbins, Fannie Adelle. (The Museum, 1909)

Insects injurious to forest and shade trees - Packard, A. S. (Alpheus Spring), 1839 -1905 (Govt. Print. Off, 1881)

Insects injurious to forest and shade trees - Packard, A. S. (Alpheus Spring), 1839 -1905 (Govt. print. off, 1881)

Insects of Eastern forests - United States. Department of Agriculture. (U.S. Forest Service ; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1985)

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, 1915)

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

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

The International Phytogeographic Excursion (I.P.E.) in America, 1913 - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Botany School, 1915)

International review of the science and practice of agriculture - International Institute of Agriculture. Bureau of Agricultural Intelligence; Plant Diseases. (International Institute of Agriculture, Bureau of Agricultural Intelligence and Plant Diseases, 1916)

Internationally dangerous forest tree diseases - International Union of Forest Research Organizations. Working Group on International Cooperation in Forest Disease Research. (U.S. Dept. of Agriculture, Forest Service, 1963)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1978)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1985)

Iowa forest resources, 1974 - Spencer, John S. (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1980)

Iowa forest statistics - Central States Forest Experiment Station (Columbus, Ohio) (U. S. Dept. of Agriculture, Forest Service, Central States Forest Experiment Station, 1956)

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)

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

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1835)

It is still time to plant confer seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1930)

J. Van. Lindley Nursery Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Van. Lindley Nursery Company, 1925)

Jahrbuch für Gartenkunde und Botanik (E. Strauss, 1884)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1861)