Taxon: Centaurea sulphurea Willd.

• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

AZ*°, CA*.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Common names:

• Sicilian star thistle   (Source: F CalifJep ) – English
  
• Sicilian thistle   (Source: NPB State Noxweed CA [http://nationalplantboard.org/docs/summaries/california.pdf]) – English
  
• sulphur knapweed   (Source: Knapweeds NAmer) – English
  
• sulphur-color Sicilian thistle   (Source: F NAmer ) – English
  

Economic importance:

• Weed   (fide F CalifJep)
  

Distributional range:

• AFRICA
  Northern Africa: Algeria; Libya; Morocco
• EUROPE
  Southwestern Europe: Spain [s. & s.e.]

• NORTHERN AMERICA
  Southwestern U.S.A.: United States - California

• EUROPE
  Southwestern Europe: France

References:

• Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
• FNA Editorial Committee. 1993–. Flora of North America.
• Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California.
• National Plant Board. 2008–. National Plant Board federal and state quarantine summaries.
• Ochsmann, J. 2001. Knapweeds (Centaurea L. and some related genera) in North America. In: Ochsmann, J., Welcome to the Centaurea pages.
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea.

More:

Search AGRICOLA article citation database for citations referencing Centaurea sulphurea.

Search NCBI's Entrez search engine for PubMed citations referencing Centaurea sulphurea.

Search Biodiversity Heritage Library for historical publications referencing Centaurea sulphurea.

Check other web resources for Centaurea sulphurea Willd.:

• Flora Europaea: Database of European Plants (ESFEDS)
• Euro+Med Plantbase: Information Resource for Euro-Mediterranean Plant Diversity
• Flora of North America: Collaborative Floristic Effort of North American Botanists
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Check other web resources for images:

• PlantSystematics.org
• Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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