Sin Yeng, Wong, and Peter C. Boyce. 2022. “Studies on Schismatoglottideae (Araceae) of Borneo LXXIII - Schismatoglottis Auyongii [Calyptrata Clade], a New Species for the Penrissen Range, Sarawak”. Webbia 77 (1), 153-57. https://doi.org/10.36253/jopt-12256.