DONG, S.-Y.; MUSTAPENG, A. M. A. Cyathea arjae, a new synonym of Sphaeropteris elliptica (Cyatheaceae). Phytotaxa, Auckland, New Zealand, v. 630, n. 2, p. 163–165, 2023. DOI: 10.11646/phytotaxa.630.2.9. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.630.2.9. Acesso em: 9 apr. 2025.