Smith, G. L. & Walter S. Flory. «Hymenocallis Salisbury.» Flora of North America Vol. 26, pág. 54, 283, 284. [2]
iucn.org
http://www.iucn.org/ International Union for Conservation of Nature and Natural Resources.
ncsu.edu
ces.ncsu.edu
Russell, A. B.; J. W. Hardin, L. Grand. 1997. Poisonous Plants of North Carolina. Department of Horticultural Science. North Carolina State University [3]Archivado el 8 de octubre de 2007 en Wayback Machine..
web.archive.org
Russell, A. B.; J. W. Hardin, L. Grand. 1997. Poisonous Plants of North Carolina. Department of Horticultural Science. North Carolina State University [3]Archivado el 8 de octubre de 2007 en Wayback Machine..