LEHNERT, M. Three new species of scaly tree ferns (Cyathea-Cyatheaceae) from the northern Andes. Phytotaxa, [S. l.], v. 1, n. 1, p. 43–56, 2009. DOI: 10.11646/phytotaxa.1.1.5. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.1.1.5. Acesso em: 28 jan. 2025.