FIGUEIREDO, E.; SMITH, G. F.; PAIVA, J. A checklist of Polygala (Polygalaceae) in the Flora of Southern Africa region with notes on types . Phytotaxa, Auckland, New Zealand, v. 155, n. 1, p. 1–22, 2013. DOI: 10.11646/phytotaxa.155.1.1. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.155.1.1. Acesso em: 6 dec. 2025.