@article{morin_brouillet_levin_2015,  title={Flora of North America North of Mexico},  volume={66},  ISSN={2175-7860},  url={https://doi.org/10.1590/2175-7860201566416},  DOI={10.1590/2175-7860201566416},  number={4},  journal={Rodriguésia},  publisher={Instituto de Pesquisas Jardim Botânico do Rio de Janeiro},  author={Morin, Nancy R. and Brouillet, Luc and Levin, Geoffrey A.},  year={2015},  pages={973–981} }