@article{SilvaBraunRiinaetal.2021,
  author    = {Ot{\´a}vio Luis Marques da Silva and Pierre Braun and Ricarda Riina and In{\^e}s Cordeiro},
  title     = {Three new species of Euphorbia subgenus Chamaesyce (Euphorbiaceae) endemic to Brazil},
  journal   = {European journal of taxonomy},
  volume    = {2021},
  number    = {733},
  pages     = {72 -- 86},
  doi       = {10.5852/ejt.2021.733.1223},
  year      = {2021},
}