Forrester, D. J., and M. G. Spalding. 2003. Parasites and Disease of Wild Birds in Florida. University Press of Florida, Gainesville, Florida. 1133 pp.
Lumsden, R. D., and J. A. Zischke. 1963. Studies on the trematodes of Louisiana birds. Zeitschrift für Parasitenkunde 22: 316–366.
Sepulveda, M. S., M. G. Spalding, J. M. Kinsella, and D. J. Forrester. 1999. Parasites of the great egret (Ardea alba) in Florida and a review of the helminths reported for the species. Journal of the Helminthological Society of Washington 66: 7–13.
Added keyword "parasitic"
Overstreet, R. M., J. O. Cook, and R. W. Heard. 2009. Trematoda (Platyhelminthes) of the Gulf of Mexico, Pp. 419–486 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
Harte Research Institute for Gulf of Mexico Studies. 2016. GulfBase: Resource Database for Gulf of Mexico Research, Education, and Management. Texas A&M University-Corpus Christi. World Wide Web electronic publication. http://www.gulfbase.org, 05-30-2020.