Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2007)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2018)

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

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1894)

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, 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, 1915)

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, 1910)

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

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

Interpreting indicators of rangeland health : version 3 - United States. Agricultural Research Service. (U. S. Department of the Interior, Bureau of Land Management, National Science and Technology Center, Information and Communications Group, 2000)

Interpreting indicators of rangeland health : version 4 - United States. Agricultural Research Service. (U.S. Department of the Interior, Bureau of Land Management, National Science and Technology Center, Division of Science Integration, Branch of Publishing Services, 2005)

Interpreting indicators of rangeland health : version 5 - Pyke, David A. (U.S. Department of the Interior, Bureau of Land Management, National Operations Center, 2020)

An introduction to bacterial diseases of plants - Smith, Erwin F. (Erwin Frink), 1854 -1927 (Saunders, 1920)

An introduction to bacterial diseases of plants - Smith, Erwin F. (Erwin Frink), 1854 -1927 (W. B. Saunders company, 1920)

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

An introduction to the natural system of botany : or, A systematic view of the organisation, natural affinities, and geographical distribution, of the whole vegetable kingdom : together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, and Green, 1830)

An introduction to the natural system of botany: or, A systematic view of the organization, natural affinities, and geographical distribution of the whole vegetable kingdom; together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (G. & C. & H. Carvill, 1831)

Invasive alien flora and fauna in South Africa : expertise and bibliography - South African National Biodiversity Institute. (South African National Biodiversity Institute, 2007)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1914)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1913)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1921)