KRÖMER, T.; ACEBEY, A. R.; SMITH, A. R. Taxonomic update, distribution and conservation status of grammitid ferns (Polypodiaceae, Polypodiopsida) in Veracruz State, Mexico. Phytotaxa, Auckland, New Zealand, v. 82, n. 1, p. 29–44, 2013. DOI: 10.11646/phytotaxa.82.1.3. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.82.1.3. Acesso em: 6 dec. 2025.