Amaryllis candida - Accession record from Connecticut University. florawww.eeb.uconn.edu/acc_num/198501066.html
Sealy: Amaryllis and Hippeastrum - A detailed botanical account of the history of the confusion in the naming of Amaryllis belladonna. www.geocities.com/RainForest/1978/Amaryllis/sealy.htm
