KOEKEMOER, M. A monograph of Stoebe and Seriphium (Gnaphalieae, Asteraceae) in southern Africa and neighbouring islands. Phytotaxa, Auckland, New Zealand, v. 242, n. 1, p. 1–84, 2016. DOI: 10.11646/phytotaxa.242.1.1. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.242.1.1. Acesso em: 6 dec. 2025.