@article{Passarge2015,
  author    = {Harro Passarge},
  title     = {Gagea pratensis-Allium oleraceum-Ass.},
  journal   = {Tuexenia : Mitteilungen der Floristisch-Soziologischen Arbeitsgemeinschaft},
  volume    = {5},
  pages     = {107 -- 112},
  year      = {2015},
}