@article{hampp_cardoso_fleig_grüninger_2018,  title={Vitality of lichens under different light climates in an Araucaria forest (Pró-Mata RS, South Brazil) as determined by chlorophyll fluorescence},  volume={32},  ISSN={0102-3306},  url={https://doi.org/10.1590/0102-33062017abb0187},  DOI={10.1590/0102-33062017abb0187},  number={2},  journal={Acta Botanica Brasilica},  publisher={Sociedade Botânica do Brasil},  author={Hampp, Rüdiger and Cardoso, Nelsa and Fleig, Mariana and Grüninger, Werner},  year={2018},  month={Apr},  pages={188–197} }