Xu, W.-B., Yang, P., Huang, Y.-S., Zhang, R. and Tang, M. 2021. Styrax hwangiae (Styracaceae), a new species endemic to limestone areas of Guangxi, China. Phytotaxa. 478, 1 (Jan. 2021), 171–178. DOI:https://doi.org/10.11646/phytotaxa.478.1.13.