@article{pôrto_bezerra_1996,  title={Briófitas de caatinga: 2. Agrestina, Pernambuco, Brasil},  volume={10},  ISSN={0102-3306},  url={https://doi.org/10.1590/S0102-33061996000100009},  DOI={10.1590/S0102-33061996000100009},  number={1},  journal={Acta Botanica Brasilica},  publisher={Sociedade Botânica do Brasil},  author={Pôrto, Kátia Cavalcanti and Bezerra, Maria de Fátima de Andrade},  year={1996},  month={Jul},  pages={93–102} }