Taxon  Report   1850 
Centaurea maculosa  Lam.  (not an active name; please see Centaurea stoebe ssp. micranthos)
Spotted knapweed
Centaurea maculosa
© 2001 CDFA
Click on a photo to see it bigger.
Centaurea maculosa, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
It is an invasive plant. The California Invasive Plant Council classifies its potential impact on native ecosystems as high (plant profile / CalWeedMapper).

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one or more occurrences
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Plant Characteristics
and Associations
Centaurea maculosa
© 2006 Steven Thorsted
Genus: Centaurea
escaped cultivar
Distribution by County 

Add an Observation of  Centaurea maculosa

Name Status:
Accepted by XWALK + JM93
TJM2 + PLANTS accepted name: Centaurea stoebe ssp. micranthos
NOTE: Centaurea maculosa is not an active name in the Calflora species table.
More information about  Centaurea maculosa
Photos on CalPhotos / Google Images

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)

Search the International Plants Names Index

Search (Flora of North America)

website references from Google

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 California Herbaria.
[web application]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 20, 2016).

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