@article{KrahulecKrahulcova2013,
  author    = {František Krahulec and Anna Krahulcov{\´a}},
  title     = {Ploidy levels and reproductive behaviour in invasive Hieracium pilosella in Patagonia},
  journal   = {NeoBiota},
  number    = {11},
  pages     = {25 -- 31},
  doi       = {10.3897/neobiota.11.1349},
  year      = {2013},
}