Kumar, E. S. S., and S. P. Mathew. 2013. “<i>Piper velaudhanii</i> (Piperaceae), a New Name for <i>P. Pseudonigrum</I> Velay. & Amalraj”. Journal of Scientific Research 5 (3):579-80. https://doi.org/10.3329/jsr.v5i3.14237.