The information on this page may have come from one or more of the following sources:
- Dirr, Michael. Manual of Woody Landscape Plants. Stipes Publishing. 1998.
- Hightshoe, Gary L. Native Trees, Shrubs, and Vines for Urban and Rural America. John Wiley & Sons. 1988.
- North Carolina Extension Plant Fact Sheets. www.ces.ncsu.edu
- University of Connecticut Plant Database. www.hort.uconn.edu