@article{castro_singer_2019,  title={A literature review of the pollination strategies and breeding systems in Oncidiinae orchids},  volume={33},  ISSN={0102-3306},  url={https://doi.org/10.1590/0102-33062019abb0111},  DOI={10.1590/0102-33062019abb0111},  number={4},  journal={Acta Botanica Brasilica},  publisher={Sociedade Botânica do Brasil},  author={Castro, Jonas B. and Singer, Rodrigo B.},  year={2019},  month={Oct},  pages={618–643} }