References
For Cyrillaceae
Anderberg, A.A., and X. Zhang. 2002. Phylogenetic relationships of Cyrillaceae and Clethraceae (Ericales) with special emphasis on the genus Purdiaea Planch. Org. Divers. Evol. 2: 127-137. Google Scholar
Godfrey, R.K. 1988. Trees, shrubs, and woody vines of northern Florida and adjacent Georgia and Alabama. University of Georgia Press, Athens. Google Scholar
Kubitzki, K., ed. 2004. The families and genera of vascular plants. VI. Flowering plants – Dicotyledons – Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer, Berlin. 489 pp. Google Scholar
Lemke, D.E. 2009. Cyrillaceae. In Flora of North America Editorial Committee. 2009. Flora of North America north of Mexico. Volume 8, Magnoliophyta: Paeoniaceae to Ericaceae. Oxford Univ. Press, New York, NY. 585 pp. Google Scholar
Thomas, J.L. 1960. A monographic study of the Cyrillaceae. Contr. Gray Herb. Harvard Univ. 186: 1-114. Google Scholar