@article{silva junior_ferreira_ilkiu-borges_fernandes_2020,  title={Ferns and lycophytes of remnants in Amazônia Maranhense, Brazil},  volume={20},  ISSN={1676-0603},  url={https://doi.org/10.1590/1676-0611-BN-2020-0972},  DOI={10.1590/1676-0611-BN-2020-0972},  number={3},  journal={Biota Neotropica},  publisher={Instituto Virtual da Biodiversidade | BIOTA - FAPESP},  author={Silva Junior, Wagner Ribeiro da and Ferreira, Alessandro Wagner Coelho and Ilkiu-Borges, Anna Luiza and Fernandes, Rozijane S.},  year={2020},  pages={e20200972} }