@article{Ahrens2001,
  author    = {Matthias Ahrens},
  title     = {Callicladium haldanianum im Nordschwarzwald},
  journal   = {Carolinea},
  volume    = {59},
  pages     = {126 -- 128},
  doi       = {10.57962/regionalia-19368},
  year      = {2001},
}