@misc{KalbSchumm2019,
  author    = {Klaus Kalb and Felix Schumm},
  title     = {A new synonym and a new species in the lichen genus Dirinaria},
  booktitle = {Archive for lichenology ; 13},
  issn      = {1868-4173},
  series    = {Archive for lichenology},
  number    = {13},
  type      = {workingpaper},
  pages     = {4},
  year        = {2019},
}