Geiger, D. L., et al. “Studies in Oberonia 10. A Re-Evaluation of Oberonia Brachystachys and O. Subligaculifera (Orchidaceae: Malaxideae) and Their Synonyms”. Rheedea, vol. 31, no. 3, Oct. 2021, pp. 141-60, https://doi.org/10.22244/rheedea.2021.31.03.04.