@article{OtteRaetzelKummer1997,
  author    = {Otte, Volker and R{\"a}tzel, Stefan and Kummer, Volker},
  title     = {Bemerkenswerte Flechtenfunde aus Brandenburg III},
  year      = {1997},
  language  = {de}
}
@book{KuehlingKummer1999,
  author    = {K{\"u}hling, Matthias and Kummer, Volker},
  title     = {Bemerkenswerte Flechtenfunde aus Brandenburg IV},
  year      = {1999},
  language  = {de}
}
@article{KuehlingKummer1999,
  author    = {K{\"u}hling, Matthias and Kummer, Volker},
  title     = {Im Land der Araukarier},
  year      = {1999},
  language  = {de}
}
@article{KummerKuemmerlingRaetzeletal.1995,
  author    = {Kummer, Volker and K{\"u}mmerling, Heidi and R{\"a}tzel, Stefan and Otte, Volker},
  title     = {Bemerkenswerte Flechtenfunde aus Brandenburg : eine Anregung zur floristischen Arbeit},
  year      = {1995},
  language  = {de}
}
@article{KummerJentsch1997,
  author    = {Kummer, Volker and Jentsch, Helmut},
  title     = {Elodea nuttallii (PLANCH.), St, Johan nun auch in Brandenburg},
  year      = {1997},
  language  = {de}
}
@article{KummerBurkart1995,
  author    = {Kummer, Volker and Burkart, Michael},
  title     = {Scolochloa festucacea (WILLD.) LINK in der Unteren Havelniederung Sachsen-Anhalts},
  year      = {1995},
  language  = {de}
}
@article{Kummer1997,
  author    = {Kummer, Volker},
  title     = {Farbenfroh und verg{\"a}nglich},
  year      = {1997},
  language  = {de}
}
@article{Kummer1997,
  author    = {Kummer, Volker},
  title     = {Eine botanische Wanderung rund um den Neuendorfer See},
  year      = {1997},
  language  = {de}
}
@article{Kummer1997,
  author    = {Kummer, Volker},
  title     = {Der Große Burgwall bei Havelberg : ein bemerkenswerter Pilzstandort},
  year      = {1997},
  language  = {de}
}
@article{Kummer1997,
  author    = {Kummer, Volker},
  title     = {Kommt Plagiothecium undulatum (HEDW) B.S.G. noch in der Niederlausitz vor?},
  year      = {1997},
  language  = {de}
}