@article{BoenselGregorButtler2002,
  author    = {Dirk B{\"o}nsel and Thomas Gregor and Karl Peter Buttler},
  title     = {Das H{\"u}gel-Kn{\"a}uelkraut (Scleranthus verticillatus) in Hessen},
  journal   = {Botanik und Naturschutz in Hessen},
  volume    = {14},
  pages     = {143 -- 153},
  year      = {2002},
}