A. W.  Meerow, Fay, M. F., Guy, C. L., Li, Q. - B., Zaman, F. Q., and Chase, M. W., ?Systematics of Amaryllidaceae Based on Cladistic Analysis of Plastid rbcL and trnL-F Sequence Data?, American Journal of Botany, vol. 86, no. 9, p. 1325, 1999.

M. D.  Lledó, Davis, A. P., Crespo, M. B., Chase, M. W., and Fay, M. F., ?Phylogenetic analysis of Leucojum and Galanthus (Amaryllidaceae) based on plastid matK and nuclear ribosomal spacer (ITS) DNA sequences and morphology?, Plant Systematics and Evolution, vol. 246, pp. 223-243, 2004.