@article{LueckingWirthAhrens2009,
  author    = {Robert L{\"u}cking and Volkmar Wirth and Matthias Ahrens},
  title     = {Foliicolous Lichens in the Black Forest, Southwest-Germany},
  journal   = {Carolinea},
  volume    = {67},
  pages     = {23 -- 31},
  doi       = {10.57962/regionalia-19492},
  year      = {2009},
}