OBERLANDER, K. C.; ROETS, F.; DREYER, L. L. Discovery of substantial Oxalis (Oxalidaceae) diversity and endemism in an arid biodiversity hotspot. Phytotaxa, Auckland, New Zealand, v. 181, n. 2, p. 79–95, 2014. DOI: 10.11646/phytotaxa.181.2.2. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.181.2.2. Acesso em: 6 dec. 2025.