@article{GregorDresslerNierbaueretal.2016,
  author    = {Thomas Gregor and Stefan Dressler and Kai Uwe Nierbauer and Georg Zizka},
  title     = {Loss of plant species diversity in a rural German region - assessment on basis of a historical herbarium},
  journal   = {Tuexenia : Mitteilungen der Floristisch-Soziologischen Arbeitsgemeinschaft},
  volume    = {36},
  pages     = {191 -- 204},
  year      = {2016},
}