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Germplasm Resources Information Network (GRIN)

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Taxon: Centaurea diffusa Lam.

Genus: Centaurea
Family: Asteraceae (alt. Compositae) subfamily: Carduoideae tribe: Cardueae subtribe: Centaureinae.
Nomen number: 104125
Place of publication: Encycl. 1:675. 1785
Name verified on: 01-Mar-2012 by ARS Systematic Botanists. Last updated: 01-Mar-2012
No species priority site assigned.

NO ACCESSIONS IN NPGS UNDER THIS NAME.

SPECIES RESTRICTED AS A STATE NOXIOUS WEED
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*, CO*°, ID*°, MI°, MT*°, ND*, NE*°, NM*, NV*, OR*°, SD*, UT*°, WA*°, WY*°.
ªAquatic. *Terrestrial. °In seed.
noxious weed information from Invaders Database System for northwestern U.S.
Link to species profile at National Invasive Species Information Center

Common names:

  • diffuse knapweed   (Source: World Econ Pl ) – English
  • small-flower star thistle   (Source: F GB Ire ) – English
  • tumble knapweed   (Source: F NAmer ) – English
  • white knapweed   (Source: Zander ed16 ) – English
  • centaurée diffuse   (Source: F NAmer ) – French
  • sparrige Flockenblume   (Source: Zander ed16 ) – German

Economic importance:

  • Weed: potential seed contaminant   (fide Rep NCEPPC)

Distributional range:

      Native:
  • ASIA-TEMPERATE
    Western Asia: Turkey [n.w.]
    Caucasus: Armenia; Azerbaijan; Georgia; Russian Federation - Ciscaucasia, Dagestan
  • EUROPE
    East Europe: Moldova; Ukraine [incl. Krym]
    Southeastern Europe: Bulgaria; Greece; Macedonia; Romania; Serbia

      Naturalized: (links to other web resources are provided for some distributions)
  • ASIA-TEMPERATE
    Siberia: Russian Federation - Altay, Krasnoyarsk
  • EUROPE
    Middle Europe: Austria; Germany; Hungary; Poland; Switzerland
    Southeastern Europe: Italy; Slovenia
    Southwestern Europe: France; Spain
  • NORTHERN AMERICA
    Subarctic America: Canada - Yukon Territory
    Eastern Canada: Canada - Ontario, Quebec
    Western Canada: Canada - Alberta, British Columbia, Saskatchewan
    Northeastern U.S.A.: United States - Connecticut, Indiana, Massachusetts, Michigan, New Hampshire, New Jersey, Rhode Island
    North-Central U.S.A.: United States - Illinois, Iowa, Missouri, Nebraska
    Northwestern U.S.A.: United States - Colorado, Idaho, Montana, Oregon, Washington, Wyoming
    Southeastern U.S.A.: United States - Kentucky, Tennessee
    South-Central U.S.A.: United States - New Mexico
    Southwestern U.S.A.: United States - Arizona, California, Nevada, Utah
  • SOUTHERN AMERICA
    Southern South America: Argentina

      Adventive:
  • EUROPE
    Northern Europe: Norway; United Kingdom
    Middle Europe: Belgium; Czech Republic; Slovakia
    East Europe: Estonia; Latvia; Lithuania

References:

More:

Check other web resources for Centaurea diffusa Lam.:


Images:

More:
  • Check PlantSystematics.org for additional images
  • Google Images Images 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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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?104125 (24 October 2014)

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