Murugesan , M. and Balasubramaniam, V. (2007) “A New Species of Hedyotis L. (Rubiaceae) from the Velliangiri Hills, the Western Ghats, India”, Rheedea, 17(1&2), pp. 25–27. doi:10.22244/rheedea.2007.17.1-2.05.