@article{GeigerKocyan2018,
  author    = {Daniel L. Geiger and Alexander Kocyan},
  title     = {Studies on Oberonia 3. Aberrant flowers and other floral modifications in the orchid genus Oberonia},
  journal   = {Nordic Journal of botany},
  volume    = {36},
  number    = {1-2},
  doi       = {10.1111/njb.01699},
  year      = {2018},
}