HERMAN, P.; KOEKEMOER, M. Two new species of Callilepis (Asteraceae) from southern Africa with corymbose inflorescences. Phytotaxa, Auckland, New Zealand, v. 183, n. 4, p. 254–262, 2014. DOI: 10.11646/phytotaxa.183.4.4. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.183.4.4. Acesso em: 6 dec. 2025.