@misc{Block2018,
  author    = {Petra de Block},
  title     = {Revision of the Madagascan endemic Homollea (Rubiaceae - Pavetteae), with description of two new species},
  booktitle = {European journal of taxonomy : 423},
  issn      = {2118-9773},
  doi       = {10.5852/ejt.2018.423},
  series    = {European journal of taxonomy : EJT},
  number    = {423},
  type      = {periodicalpart},
  pages     = {24},
  year        = {2018},
}