Taxon  Report   11498 
Centaurea virgata  Lam.  ssp. squarrosa  (Boiss.) Gugler
squarrose knapweed
Centaurea virgata ssp. squarrosa, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

The California Invasive Plant Council classifies its potential impact on native ecosystems as moderate (plant profile).


 Interactive Distribution Map 

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 Distribution by County 

© 2002 Molly Elizabeth Bagley

© 2001 CDFA
 Plant Characteristics
 and Associations

Bloom Period
Communities: weed, characteristic of disturbed places
Habitat: disturbed [Walker]
Genus: Centaurea
Parent Record Centaurea virgata.
Add an Observation of Centaurea virgata ssp. squarrosa
Name Status:
Accepted by TJM2 + PLANTS
Other Names:
(according to)

PLANTS: Centaurea triumfettii
PLANTS: Centaurea variegata
PLANTS: Centaurea virgata var. squarrosa
TJM2 + PLANTS: Centaurea squarrosa
 Information about  Centaurea virgata ssp. squarrosa  from other sources:
Photos on Picasa / Flickr / Google Images

website references on Google


2012 Jepson Manual Treament from the Jepson Herbarium,
University of California, Berkeley

Search (Flora of North America)

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of Calif. Herbaria.
[web application]. 2014. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Apr 18, 2014).

The information on this page comes from diverse sources. None of the links are sponsored.

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