Kumar, E. S. Santhosh, A. E. Shanavas Khan, and S. Binu. 2000. “A New Species of Thottea Rottb. (Aristolochiaceae) from Kerala, South India”. Rheedea 10 (2): 117-20. https://doi.org/10.22244/rheedea.2000.10.02.06.