Taxon  Report   1502    
Carduus acanthoides  L.
Plumeless thistle,  Spiny plumeless thistle
Carduus acanthoides
© 2001 CDFA
Photos from
CalPhotos / Calflora
Carduus acanthoides
© 2001 CDFA
Carduus acanthoides
© 2001 CDFA
Carduus acanthoides, 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: Limited

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Carduus acanthoides
© 2010 Dr.Thomas K. Voekler
Genus: Carduus
Subspecies and Varieties:
Name Status:
Accepted by ICPN + PLANTS

More information about  Carduus acanthoides
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


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