LAUSR

The original material of Hieracium pilosissimum Friv. nom. illeg . is heterogeneous and includes the type of H. divaricatum . Contrary to previous opinions, Hieracium pilosissimum is found conspecific with H. olympicum , whereas H. divaricatum may have originated as the result of hybridization between H. petrovae and H. racemosum . Earlier confusion caused the misuse of the name H. sect. Pilosissima for hybridogenous taxa between principal species of H. sect. Pannosa and species belonging to other sections . Hieracium pilosissimum is lectotypified using a specimen held at W. Hieracium cappadocicum var. congestum is synonymised with H. cappadocicum . Hieracium olympicum var. jankae is synonymised with H. olympicum and lectotypified . Hieracium rumelicum is synonymised with H. divaricatum and lectotypified . Hieracium thessalum , as morphologically intermediate between H. pannosum s. lat. and H. sparsum , is excluded from the H. heldreichii aggregate and lectotypified.