HIERACIUM X STOLONIFLORUM (ASTERACEAE, LACTUCEAE), MALEZA EXÓTICA NUEVA PARA LA ARGENTINA

Abstract

Hieracium x stoloniflorum, native from central Europe and northwestern Russia and reported as a putative hybrid between H. aurantiacum and H. pilosella, is first documented for the Argentinian flora. This paper describes this weed and informs about its presence in Río Negro province.