@article{quirino_machado_2014,  title={Pollination syndromes in a Caatinga plant community in northeastern Brazil: seasonal availability of floral resources in different plant growth habits},  volume={74},  ISSN={1519-6984},  url={https://doi.org/10.1590/1519-6984.17212},  DOI={10.1590/1519-6984.17212},  number={1},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={Quirino, ZGM and Machado, IC},  year={2014},  month={Feb},  pages={62–71} }