The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• 1996. database, NODC Taxonomic Code
• 1996. database, The PLANTS Database
• 2000. database, The PLANTS Database
• 2011. Germplasm Resources Information Network (GRIN)
• Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
• Cornaceae of North America Update
• Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
• Gleason, H. A. 1968. The Choripetalous Dicotyledoneae. vol. 2. 655 pp. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York.
• Godfrey, R. K. & J. W. Wooten. 1981. Aquatic Wetland Pl. S.E. U.S. Dicot. 933 pp. Univ. Georgia Press, Athens.
• Hilty, J. Editor. 2013. Illinois Wildflowers. World Wide Web electronic publication. flowervisitors.info, version 04/2013.
  See: Botanical Terminology and Line Drawings,  Ecological Terminology,  Website Description,  Links to Other Websites,  Reference Materials
• Hilty, J. Editor. 2013. Insect Visitors of Illinois Wildflowers.   World Wide Web electronic publication. illinoiswildflowers.info, version (05/2013)  
  See:   Abbreviations for Insect Activities,   Abbreviations for Scientific Observers,   References for behavioral observations
• Image metadata at Bioimages (http://bioimages.vanderbilt.edu/)
• Orrell T. (custodian) (2013). ITIS Regional: The Integrated Taxonomic Information System (version Apr 2011). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at www.catalogueoflife.org/col/. Species 2000: Reading, UK.