@article{sotão_hennen_rezende_2007,  title={Puccinia caxiuanensis sp. nov. de Uredinales em espécies de Burseraceae no Brasil},  volume={34},  ISSN={2236-8906},  url={https://doi.org/10.1590/S2236-89062007000400005},  DOI={10.1590/S2236-89062007000400005},  number={4},  journal={Hoehnea},  publisher={Instituto de Pesquisas Ambientais},  author={Sotão, Helen Maria Pontes and Hennen, Joe Fleetwood and Rezende, Denise Vilela de},  year={2007},  pages={493–495} }