@article{machado_gasper_2024,  title={Unraveling the <i>Parablechnum cordatum</i> (Blechnaceae: Polypodiopsida) complex puzzle},  volume={38},  ISSN={0102-3306},  url={https://doi.org/10.1590/1677-941X-ABB-2023-0240},  DOI={10.1590/1677-941X-ABB-2023-0240},  journal={Acta Botanica Brasilica},  publisher={Sociedade Botânica do Brasil},  author={Machado, Giesta Maria Olmedo and Gasper, André Luís de},  year={2024},  pages={e20230240} }