Taxon: Centaurea nigrescens 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:

OR*, WA*°.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

See also subordinate taxa:

• Centaurea nigrescens subsp. nigrescens (no accessions)
• Centaurea nigrescens subsp. transalpina (no accessions)

Common names:

• short-fringe knapweed   (Source: F NAmer ) – English
  
• Tyrol knapweed   (Source: Knapweeds NAmer) – English
  
• Vochin knapweed   (Source: Rep NCEPPC ) – English
  
• wocheiner knapweed   (Source: Rep NCEPPC ) – English
  
• centaurée noirâtre   (Source: F NAmer ) – French
  
• schwärzliche Flockenblume   (Source: Zander ed16 ) – German
  

Economic importance:

• Weed   (fide Rep NCEPPC)
  

Distributional range:

• ASIA-TEMPERATE
  Western Asia: Turkey
• EUROPE
  Middle Europe: Austria; Czech Republic; Germany; Hungary; Switzerland
  Southeastern Europe: Bosnia and Herzegovina; Bulgaria; Croatia; Italy; Romania; Serbia; Slovenia
  Southwestern Europe: France

• AUSTRALASIA
  Australia: Australia - South Australia
• EUROPE
  Middle Europe: Germany
• NORTHERN AMERICA
  Eastern Canada: Canada - Ontario, Quebec
  Western Canada: Canada - British Columbia
  Northeastern U.S.A.: United States - Connecticut, Indiana, Massachusetts, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia
  North-Central U.S.A.: United States - Illinois, Missouri, Wisconsin
  Northwestern U.S.A.: United States - Montana, Oregon, Washington, Wyoming
  Southeastern U.S.A.: United States - Delaware, Florida, Virginia
  Southwestern U.S.A.: United States - California
• SOUTHERN AMERICA
  Southern South America: Argentina - Buenos Aires, Rio Negro

• EUROPE
  Middle Europe: Belgium; Poland

• EUROPE
  Southeastern Europe: Macedonia

References:

• Campbell, F. T., ed. 1995. Report of National Coalition of Exotic Plant Pest Councils. (unpublished draft)
• Davis, P. H., ed. 1965–1988. Flora of Turkey and the east Aegean islands.
• Erhardt, W. et al. 2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage.
• 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.
• Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
• Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
• Ochsmann, J. 2001. Knapweeds (Centaurea L. and some related genera) in North America. In: Ochsmann, J., Welcome to the Centaurea pages.
• Pignatti, S. 1982. Flora d'Italia.
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea.

More:

Search AGRICOLA article citation database for citations referencing Centaurea nigrescens.

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

Search Biodiversity Heritage Library for historical publications referencing Centaurea nigrescens.

Synonyms:

• Centaurea dubia Suter [= Centaurea nigrescens subsp. transalpina]
  
• Centaurea transalpina Schleich. ex DC. [≡ Centaurea nigrescens subsp. transalpina]
  

Check other web resources for Centaurea nigrescens 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
• Flora del Conosur: Catálogo de las Plantas Vasculares del Conosur
• AVH: Australia's Virtual Herbarium
• 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

Ctrl P to print