@article{prance_1974,  title={Victoria amazonica ou Victoria regia?},  volume={4},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921974043005},  DOI={10.1590/1809-43921974043005},  number={3},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Prance, Ghillean T.},  year={1974},  month={Dec},  pages={5–8} }