@article{hiendlmeyer_randi_2007,  title={Response of spores and young gametophytes of Cyathea delgadii Sternb. (Cyatheaceae) and Blechnum brasiliense Desv. (Blechnaceae) to different light levels},  volume={21},  ISSN={0102-3306},  url={https://doi.org/10.1590/S0102-33062007000400015},  DOI={10.1590/S0102-33062007000400015},  number={4},  journal={Acta Botanica Brasilica},  publisher={Sociedade Botânica do Brasil},  author={Hiendlmeyer, Rosane and Randi, Aurea Maria},  year={2007},  month={Oct},  pages={909–915} }