Taxon  Report   92    
Acroptilon repens  (L.) DC.
Russian knapweed
Acroptilon repens
© 2017 Barbara Boethling
Photos from
CalPhotos / Calflora
Acroptilon repens
© 2013 Neal Kramer
Acroptilon repens
© 2012 Gina Darin
Acroptilon repens, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild. Cal-IPC rating: Moderate

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point, line, or polygon

one or more occurrences
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Plant Characteristics
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Bloom Period
Acroptilon repens
© 2013 Richard Spellenberg
Genus: Acroptilon
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Centaurea picris
ICPN + PLANTS: Centaurea repens
More information about  Acroptilon repens
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


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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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 21, 2019).