@article{barth_1976,  title={Catálogo sistemático dos polens das plantas arbóreas do Brasil meridional: XXIII. Moraceae},  volume={74},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761976000300009},  DOI={10.1590/S0074-02761976000300009},  number={3-4},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Barth, Ortrud Monika},  year={1976},  pages={295–309} }