SILVA JUNIOR, Wagner Ribeiro da; PRADO, Jefferson; FERREIRA, Alessandro Wagner Coelho; FERNANDES, Rozijane Santos; OLIVEIRA, Hermeson Cassiano de. Lycophytes and ferns of an Amazonian-Cerrado ecotone in Maranhão State, Northeastern Brazil: identification key and annotated list of taxa. Biota Neotropica, Sao Paulo, Brazil, v. 24, n. 2, 2024. Disponível em: https://www.biotaneotropica.org.br/BN/article/view/2040. Acesso em: 30 oct. 2025.