@article{fleig_riquelme_1991,  title={Líquens de Piraputanga, Mato Grosso do Sul, Brasil},  volume={5},  ISSN={0102-3306},  url={https://doi.org/10.1590/S0102-33061991000100001},  DOI={10.1590/S0102-33061991000100001},  number={1},  journal={Acta Botanica Brasilica},  publisher={Sociedade Botânica do Brasil},  author={Fleig, Mariana and Riquelme, Ivone},  year={1991},  month={Jul},  pages={03–12} }