Taxon  Report   10725 
Centaurea nigrescens  Willd.
Tyrol knapweed
Centaurea nigrescens
© 2008 Keir Morse
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Centaurea nigrescens
© 2008 Keir Morse
Centaurea nigrescens, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

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Plant Characteristics
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Centaurea nigrescens
© 2008 Keir Morse
Genus: Centaurea
Distribution by County 

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Name Status:
Accepted by PLANTS
Alternate Names:
(according to)

PLANTS: Centaurea debeauxii ssp. thuillieri
PLANTS: Centaurea dubia ssp. vochinensis
PLANTS: Centaurea pratensis
PLANTS: Centaurea vochinensis
More information about  Centaurea nigrescens

Records from the Consortium of California Herbaria


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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 22, 2016).

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