@article{falcão_1971,  title={Convolvulaceae do Amazonas},  volume={1},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921971011015},  DOI={10.1590/1809-43921971011015},  number={1},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Falcão, Joaquim Inácio de Almeida},  year={1971},  month={Apr},  pages={15–20} }