@article{silva_germano_2013,  title={Bryophytes on rocky outcrops in the caatinga biome: a conservationist perspective},  volume={27},  ISSN={0102-3306},  url={https://doi.org/10.1590/S0102-33062013000400023},  DOI={10.1590/S0102-33062013000400023},  number={4},  journal={Acta Botanica Brasilica},  publisher={Sociedade Botânica do Brasil},  author={Silva, Joan Bruno and Germano, Shirley Rangel},  year={2013},  month={Oct},  pages={827–835} }