Sibi, C. V., P. K. Dintu, R. Renjith, M. V. Krishnaraj, G. Roja, and K. Satheeshkumar. 2012. “A New Record of <i>Ophiorrhiza trichocarpon</I> Blume (Rubiaceae: Ophiorrhizeae) from Western Ghats, India: Another Source Plant of Camptothecin”. Journal of Scientific Research 4 (2):529. https://doi.org/10.3329/jsr.v4i2.9378.