@article{GregorLehmann2004,
  author    = {Thomas Gregor and Wolfgang Lehmann},
  title     = {Potentilla heptaphylla, das r{\"o}tliche Fingerkraut, in Hessen},
  journal   = {Botanik und Naturschutz in Hessen},
  volume    = {17},
  pages     = {63 -- 76},
  year      = {2004},
}