@article{silva_silva_feiler_1999,  title={Orchidaceas do estado do Maranhão, Brasil <sup>1</sup>
        },  volume={29},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921999293393},  DOI={10.1590/1809-43921999293393},  number={3},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={SILVA, Manoela F. F da and SILVA, João Batista F da and FEILER, Jacqueline M},  year={1999},  month={Sep},  pages={381–381} }