References
For Halesia
Fritsch, P.W. 2009. Styracaceae. 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
Fritsch, P.W., and S.D. Lucas. 2000. Clinal variation in the Halesia carolina complex (Styracaceae). Systematic Botany 25: 197-210. 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
Reveal, J.L., and M.J. Seldin. 1976. On the identity of Halesia carolina L. (Styracaceae). Taxon 25: 123-140. Google Scholar
Sargent, C.S. 1921a. Notes on North American trees. VIII. J. Arnold Arb. 2: 164-174. Google Scholar