Sibi, C.V. et al. 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 (Apr. 2012), 529. DOI:https://doi.org/10.3329/jsr.v4i2.9378.