Taxon: Centaurea diffusa Lam.
Genus: Centaurea
Family: Asteraceae (alt. Compositae).
Nomen number: 104125
Place of publication: Encycl. 1:675. 1785
Name verified on: 06-Nov-1985 by ARS Systematic Botanists. Last updated: 10-Mar-2003
No species priority site assigned.
NO ACCESSIONS IN
NPGS UNDER THIS NAME.
SPECIES RESTRICTED BECAUSE 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*°, MT*°, ND*, NE*°, NM*, NV*, OR*°, SD*, UT*°, WA*°, WY*°.
| ªAquatic.
| *Terrestrial.
| °In seed.
|
- Link to noxious weed information from

- Link to species profile at

- diffuse knapweed (Source: World Econ Pl
) – English
- white knapweed (Source: Zander ed16
) – English
- Sparrige Flockenblume (Source: Zander ed16
) – German
- centáurea (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
- Weed: also potential seed contaminant (fide Rep NCEPPC)
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; Former Yugoslavia; Greece; Romania
Naturalized:
- Cabrera, A. L. & E. M. Zardini.
1978. Manual de la flora de los alrededores de Buenos Aires. (Man BuenAir)
- Campbell, F. T., ed.
1995. Report of National Coalition of Exotic Plant Pest Councils. (unpublished draft) (Rep NCEPPC)
- Czerepanov, S. K.
1995. Vascular plants of Russia and adjacent states (the former USSR). (L USSR)
- Davis, P. H., ed.
1965–1988. Flora of Turkey and the east Aegean islands. (F Turk)
- Encke, F. et al.
1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage. (Zander ed13)
- Erhardt, W. et al.
2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage. (Zander ed16)
- Gleason, H. A. & A. Cronquist.
1963. Manual of vascular plants of northeastern United States and adjacent Canada. (Glea Cron)
- Groth, D.
2005. pers. comm. [re. Brazilian common names].
- Hess, H. E. et al.
1976. Flora der Schweiz, ed. 2. (F Switz)
- Hitchcock, C. L. et al.
1955–1969. Vascular plants of the Pacific Northwest. (F Pacif NW)
- Kartesz, J. T.
1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. (L US Can ed2)
- Komarov, V. L. et al., eds.
1934–1964. Flora SSSR. (F USSR)
- Liberty Hyde Bailey Hortorium.
1976. Hortus third. (Hortus 3)
- Ochsmann, J.
2001. Knapweeds (Centaurea L. and some related genera) in North America.
In: Ochsmann, J., Welcome to the Centaurea pages. (Centaurea Pages)
- Scoggan, H. J.
1978–1979. The flora of Canada, 4 vol. (F Canada)
- Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A.
1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act. (State Noxweed Seed)
- Steyermark, J. A.
1977. Flora of Missouri. (F Missouri)
- Tutin, T. G. et al., eds.
1964–1980. Flora europaea. (F Eur)
- USDA National Agricultural Library.
National Invasive Species Information Center (Nat Invasive Sp Info)
- More:
Check other databases for Centaurea diffusa Lam.:
Images:
- More:
- Check PlantSystematics.org for additional 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.
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| ARS
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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 (09 September 2010)
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