Marcusso, G. M., J. A. Lombardi, and R. C. Forzza. “Allamanda karstica (Apocynaceae), a New Species from Limestone Outcrops in Central Brazil”. Phytotaxa, vol. 763, no. 1, June 2026, pp. 93-100, doi:10.11646/phytotaxa.763.1.8.