@article{GemeinholzerMayRistowetal.2012,
  author    = {B. Gemeinholzer and F. May and Michael Ristow and C. Batsch and D. Lauterbach},
  title     = {Strong genetic differentiation on a fragmentation gradient among populations of the heterocarpic annual Catananche lutea L. (Asteraceae)},
  journal   = {Plant systematics and evolution},
  volume    = {298},
  number    = {8},
  pages     = {1585 -- 1596},
  doi       = {10.1007/s00606-012-0661-1},
  year      = {2012},
}