Portela, L. H. X., Silva, S. B. D., Delprete, P. G., Gonçalves-Oliveira, R. C., Bovini, M. G., & Souza, E. B. D. (2026). Nomenclatural clarification of Mitracarpus salzmannianus (Rubiaceae, Spermacoceae), a widespread species from South America, with notes on its conservation status. Phytotaxa, 762(2), 160–166. https://doi.org/10.11646/phytotaxa.762.2.6