|A guide and key to the aquatic plants of the Southeastern United States|
Eyles, D.E.; Robertson, J.L. (1944). A guide and key to the aquatic plants of the Southeastern United States. Reprinted without change by Bureau of Sport Fisheries and Wildlife, 1963. Public Health Bulletin, 286. U.S. Public Health Service: Washington.
Part of: Public Health Bulletin. United States Department of the Interior Fish and Wildlife Service. Bureau of Sport Fisheries and Wildlife: Washington, more