@misc{Vogel2009,
  author    = {Stephanie Vogel},
  title     = {Flechten auf straßenbegleitenden B{\"a}umen an ausgew{\"a}hlten Standorten in D{\"u}sseldorf},
  booktitle = {Archive for lichenology ; 2},
  issn      = {1868-4173},
  series    = {Archive for lichenology},
  number    = {2},
  type      = {workingpaper},
  pages     = {11, S. 2-5},
  year        = {2009},
}