Flora of North America Editorial Committee, 1993. Pteridophytes and Gymnosperms, Vol. II. In: Flora of North America north of Mexico. New York: Oxford University Press.
Flora of North America Project. 1998. Flora of North America, Gymnosperms. Published by the Flora of North America Association.
Godfrey, R.K., 1988. Trees, Shrubs, and Woody Vines of Northern Florida and Adjacent Georgia and Alabama. Athens: University of Georgia Press.
Hardin, J.W., 1998. Gymnosperms. In: Vascular Flora of the Southeastern United States (in prep.).
Kartesz, J.T., 1994. A Synonymized Checklist of the Vascular Flora of the United States, Canada, and Greenland, Vol. I. Portland: Timber Press.
Radford, A. E.; W. C. Dickison; J. R Massey; and C. R. Bell. 1974. Vascular Plant Systematics. Harper & Row, New York.
Radford, A. E., H. F. Ahles and C. R. Bell. 1968. Manual of the Vascular Flora of the Carolinas. University of North Carolina Press, Chapel Hill.
Small, J. K. 1933. Manual of the Southeastern Flora. University of North Carolina Press, Chapel Hill.
Weakley, A.S., 1998. Flora of the Carolinas and Virginia (draft).