@misc{Frahm2006,
  author    = {Jan-Peter Frahm},
  title     = {Fontinalis antipyretica "var. gracilis" ist nur eine Modifikation},
  booktitle = {9},
  series    = {Archive for Bryology},
  number    = {009},
  type      = {periodicalpart},
  pages     = {4},
  year        = {2006},
}