Correll, D. S., and Correll, H. B. 1972.. Aquatic and Wetland Plants of the Southwestern United States, Publ. No. 16030 DNL 01/72, Environmental Protection Agency, Washington, D.C.
Cowardin, L. M., Carter, V., Golet, F. C., and LaRoe, E. T. 1979. "Classification of Wetlands and Deepwater Habitats of the United States," FWS/OBS79/31, US Fish and Wildlife Service, Office of Biological Services, Washington, D.C.
Cronquist, A., Holmgren, A. H., Holmgren, N. H., and Reveal, J. L. 1972. Intermountain Flora - Vascular Plants of the Intermountain West, USA, Vols I and II, Hafner Publishing Company, New York.
Davis, R. J. 1952. Flora of Idaho, William C. Brown Company, Dubuque, Iowa.
Federal Register. 1980. "40 CFR Part 230: Section 404(b)(1) Guidelines for Specification of Disposal Sites for Dredged or Fill Material," Vol 45, No. 249, pp 85352-85353, US Government Printing Office, Washington, D.C.
Federal Register. 1982. "Title 33: Navigation and Navigable Waters; Chapter II, Regulatory Programs of the Corps of Engineers," Vol 47, No. 138, p 31810, US Government Printing Office, Washington, D.C.
Fernald, M. L. 1950. Gray's Manual of Botany, 8th ed., American Book Company, New York.
Gleason, H. A., and Cronquist, A. 1963. Manual of Vascular Plants of Northeastern United States and Adjacent Canada, Van Nostrand, Princeton, N. J.
Godfrey, R. K., and Wooten, J. W. 1979. Aquatic and Wetland Plants of the Southeastern United States, Vols I and II, University of Georgia Press, Athens, Ga.
Harrington, H. D. 1979. Manual of the Plants of Colorado, 2nd ed., Sage Books, Denver, Colo.
Hitchcock, A. S. 1950. Manual of Grasses of the United States, US Department of Agriculture Miscellaneous Publication No. 200, US Government Printing Office, Washington, D.C.
Hitchcock, C. L., and Cronquist, A. 1973. Flora of the Pacific Northwest, University of Washington Press, Seattle, Wash.
Kearney, T. H., and Peebles, R. H. 1960. Arizona Flora, 2nd ed., University of California Press, Berkeley, Calif.
Long, R. W., and Lakela, 0. 1976. A Flora of Tropical Florida, Banyan Books, Miami, Fla.
Munsell Color. 1975. Munsell Soil Color Charts, Kollmorgen Corporation, Baltimore, Md.
Munz, P. A., and Keck, D. D. 1959. A California Flora, University of California Press, Berkeley, Calif.
Radford, A. E., Ahles, H. E., and Bell, C. R. 1968. Manual of the Vascular Flora of the Carolinas, The University of North Carolina Press, Chapel Hill, N. C.
Small, J. K. 1933. Manual of the Southeastern Flora, The University of North Carolina Press, Chapel Hill, N. C.
Steyermark, J. A. 1963. Flora of Missouri, The Iowa State University Press, Ames, Iowa.
Theriot, R. F. In Review. "Flood Tolerance Indices of Plant Species of Southeastern Bottomland Forests," Technical Report, US Army Engineer Waterways Experiment Station, Vicksburg, Miss.
US Department of Agriculture - Soil Conservation Service. 1975. Soil Taxonomy, Agriculture Handbook No. 436, US Government Printing Office, Washington, D.C.
US Department of Agriculture - Soil Conservation Service. 1983. "List of Soils with Actual or High Potential for Hydric Conditions," National Bulletin No. 430-3-10, Washington, D.C.
US Department of Agriculture - Soil Conservation Service. 1985. "Hydric Soils of the United States," USDA-SCS National Bulletin No. 430-5-91 Washington, D.C.
US Department of the Interior. 1970. National Atlas of the United States, US Geological Survey, US Government Printing Office, Washington, D.C., pp 110-111.