R. . Vijaya Sankar, K. Ravikumar, and P. Ravichandran, “<I>Tinospora sinensis</I> (Lour.) Merr. (Menispermaceae) - a Hitherto Unreported Red Listed Medicinal Plant from Tamil Nadu State”, Indian Forester, vol. 130, no. 7, pp. 731–734, Jul. 2004.