pilosella aurantiaca

from WordNet (r) 3.0 (2006)
Pilosella aurantiaca
    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}]
    

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