Puthuparampil Balan, Anoop, Aloor Jose Robi, and Nanu Sasidharan. 2021. “Argostemma Quarantena (Rubiaceae, Ruboideae), a New Species from Southern Western Ghats, India”. Webbia 76 (1), 47-52. https://doi.org/10.36253/jopt-9592.