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
   - Pilosella aurantiaca, Hieracium aurantiacum

Derived forms: orange hawkweeds

Type of: weed

Part of: genus Pilosella, Pilosella

Encyclopedia: Orange hawkweed

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