Crape Myrtle Society of America, The
Supports crape myrtle research, as well as development of new crape myrtle varieties.
www.thecrapemyrtlesocietyofamerica.org
The Crape Myrtle (Lagerstroemia spp.)
Texas Agriculture Experiment State site, providing information about the botany, biology, uses, culture, and management of crape myrtles.
dallas.tamu.edu/woody/cmyrtle