Krahulec

Chapter 9 Evolution , hybridisation , and clonal distribution of apo-and amphimictic species of Hieracium subgen . Pilosella ( Asteraceae , Lactuceae ) in a Central European mountain range

František, Bräutigam, J. Fehrer, 2004 .

Epidermal characters of Allium species autochthonous in Czechoslovakia : their pattern , taxonomic and ecological relationships

František, Krahulec, 2016 .