Carmo, J.A.M.D., Sobrado, S.V., Salas, R.M. and Simões, A.O. 2025. Two new combinations in Tapanhuacanga Vand. (Spermacoceae, Rubiaceae), the priority name for Psyllocarpus Mart. & Zucc. Phytotaxa. 684, 2 (Feb. 2025), 298–300. DOI:https://doi.org/10.11646/phytotaxa.684.2.13.