Carter, J. 1960. The Flora of Northwestern Iowa. Ph.D. dissertation, University of Iowa, Iowa City.
Carter, J. 1961. A Preliminary Report on the Vascular Flora of Northwestern Iowa. Proceedings of the Iowa Academy of Science 68:146-152.
Cooperrider, T. 1962. The Vascular Plants of Clinton, Jackson and Jones Counties, Iowa. State University of Iowa Studies in Natural History, Iowa City.
Davidson, R. 1959. The Vascular Flora of Southeastern Iowa. State University of Iowa Studies in Natural History, Iowa City.
Eilers, L. J. 1971. The Vascular Flora of the Iowan Area. University of Iowa Studies in Natural History, Iowa City, Iowa.
Eilers, L. J., and D. M. Roosa. 1994. The Vascular Plants of Iowa. University of Iowa Press, Iowa City. Lists all vascular plants known to occur in Iowa by plant family with common names. Notes on habitat, abundance, and distribution are included.
Fay, M. 1953. The Flora of Southwestern Iowa. Ph.D. dissertation, University of Iowa, Iowa City.
Fay, M. 1953. A Preliminary Report of the Flora of Southwestern Iowa. Proceedings of the Iowa Academy of Science 60:119-121.
Gleason, H. A., and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. 2d ed. New York Botanical Garden, Bronx, New York. Technical manual of keys and descriptions of vascular plants of the region.
Great Plains Flora Association. 1977. Atlas of the Flora of the Great Plains. Iowa State University Press, Ames. Maps showing distribution of the Great Plains flora.
Great Plains Flora Association. 1986. Flora of the Great Plains. University Press of Kansas, Lawrence. Keys and descriptions of plants found on the Great Plains.
Hartley, T. 1966. The Flora of the "Driftless Area." University of Iowa Studies in Natural History, Iowa City.
Mohlenbrock, R. H. 1975. Guide to the Vascular Flora of Illinois. Southern Illinois University Press, Carbondale. Keys and descriptions of Illinois vascular plants.
Mohlenbrock, R. H. 1978. Distribution of Illinois Vascular Plants. Southern Illinois University Press, Carbondale. Maps giving the counties where species have been collected in Illinois.
Monson, P. 1959. Spermatophytes of the Des Moines Lobe in Iowa. Ph.D. dissertation, Iowa State University, Ames.
Pohl, R. W. 1967. The Grasses of Iowa. Iowa State Journal of Science 40:341-573. Keys and drawings of Iowa’s grasses.
Styermark, J. 1963. Flora of Missouri. Iowa State University Press, Ames. Keys and drawings of Missouri plants.
Van Bruggen, T. 1959. A Report on the Flora of South-central Iowa. Proceedings of the Iowa Academy of Science 66:169-177.
Van Bruggen, T. 1959. The Vascular Flora of South-central Iowa. Ph.D. dissertation, University of Iowa, Iowa City.
Van Bruggen, T. 1985. The Vascular Plants of South Dakota, 2d ed. Iowa State University Press, Ames. Keys and descriptions of South Dakota vascular plants.
Cooper, T., ed. 1983. Iowa's Natural Heritage. Iowa Natural Heritage Foundation, Des Moines, and Iowa Academy of Science, Cedar Falls. Chapters on geology, prairies, forests, wetlands, wildlife, archaeology, and settlement.
Madson, J., and F. Oberle. 1993. Tallgrass Prairie. The Nature Conservancy, Arlington, Virginia, and Falcon Press, Helena, Montana. A beautifully illustrated presentation of prairies across North America.
Mutel, C. F. 1989. Fragile Giants: A Natural History of the Loess Hills. University of Iowa Press, Iowa City.
Peterson, R. T., and M. McKenny. 1968. A Field Guide to Wildflowers of Northeastern and Northcentral North America. Houghton Mifflin, Boston. A classic for identification of wildflowers.
Prior, J. C. 1991. Landforms of Iowa. University of Iowa Press, Iowa City. A review of Iowa’s landscape.
Pyne, S. 1982. Fire in America: A Cultural History of Wildland and Rural Fire. Princeton University Press, Princeton, N.J. Review of the role of fire in forest and prairie habitats.
Runkel, S. T., and D. M. Roosa. 1989. Wildflowers of the Tallgrass Prairie: The Upper Midwest. Iowa State University Press, Ames. Color photographs and descriptions of selected prairie plants.
Shimek, B. 1911. The Prairies. Bulletin from the Laboratories of Natural History of the State University of Iowa 11(2): 169-240. The first comprehensive review of prairies in Iowa.
Shirley, S. 1994. Restoring the Tallgrass Prairie: An Illustrated Manual for Iowa and the Upper Midwest. University of Iowa Press, Iowa City. Guide to species and techniques for prairie restoration.
Thompson, J. R. 1992. Prairies, Forests, and Wetlands: The Restoration of Natural Landscape Communities in Iowa. University of Iowa Press, Iowa City. A guide to reconstruction of natural communities.
Weaver, J. E. 1954. North American Prairie. Johnson Publishing, Lincoln, Nebraska. After fifty years still an excellent reference on prairies.