Resumen

FERNANDEZ, Martina  y  EZCURRA, Cecilia. Hieracium x stoloniflorum (Asteraceae, Lactuceae), exotic weed new for Argentina. Darwiniana [online]. 2009, vol.47, n.2, pp. 335-343. ISSN 0011-6793.

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.

Palabras llave : Argentinian flora; Asteraceae; Exotic flora; Hieracium; Weed.