@article{konno_wanderley_2004,  title={Lectotypifications in Ditassa R.Br. (Apocynaceae: Asclepiadoideae)},  volume={27},  ISSN={0100-8404},  url={https://doi.org/10.1590/S0100-84042004000400004},  DOI={10.1590/S0100-84042004000400004},  number={4},  journal={Brazilian Journal of Botany},  publisher={Sociedade Botânica de São Paulo},  author={Konno, Tatiana U.P. and Wanderley, Maria das Graças L.},  year={2004},  month={Oct},  pages={639–640} }