hieracium aurantiacum

1 definition found

hieracium aurantiacum - WordNet (r) 2.1 (2005) :

  Hieracium aurantiacum
      n 1: European hawkweed having flower heads with bright orange-
           red rays; a troublesome weed especially as naturalized in
           northeastern North America; sometimes placed in genus
           Hieracium [syn: orange hawkweed, Pilosella aurantiaca,
           Hieracium aurantiacum]