@article{fernandes_silva_oliveira_ottoni_pietrobom_2022,  title={Ferns and lycophytes in Chapada das Mesas National Park and surroundings, Maranhão State, Brazil},  volume={22},  ISSN={1676-0603},  url={https://doi.org/10.1590/1676-0611-BN-2021-1273},  DOI={10.1590/1676-0611-BN-2021-1273},  number={1},  journal={Biota Neotropica},  publisher={Instituto Virtual da Biodiversidade | BIOTA - FAPESP},  author={Fernandes, Rozijane Santos and Silva, Laryssa Reis and Oliveira, Sirlane Santos and Ottoni, Felipe Polivanov and Pietrobom, Marcio Roberto},  year={2022},  pages={e20211273} }