SWANEPOEL, W.; WYK, A. E. V. Petalidium sebrabergense (Acanthaceae), a new species from Namibia. Phytotaxa, Auckland, New Zealand, v. 728, n. 1, p. 17–30, 2025. DOI: 10.11646/phytotaxa.728.1.2. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.728.1.2. Acesso em: 5 dec. 2025.