@article{YuTurnerCheek2021,
  author    = {Tian Yi Yu and Ian M. Turner and Martin Cheek},
  title     = {Revision of Chassalia (Rubiaceae-Rubioideae-Palicoureeae) in Borneo, with 14 new species},
  journal   = {European journal of taxonomy},
  volume    = {2021},
  number    = {738},
  pages     = {1 -- 60},
  doi       = {10.5852/ejt.2021.738.1261},
  year      = {2021},
}