Taxon  Report   5916    
Onopordum acanthium  L.  ssp. acanthium 
Scottish thistle
Onopordum acanthium ssp. acanthium
© 2007 Karel Castro-Morales
Photos from
CalPhotos / Calflora
Onopordum acanthium ssp. acanthium
© 2001 CDFA
Onopordum acanthium ssp. acanthium
© 2001 CDFA
Onopordum acanthium ssp. acanthium, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

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
Onopordum acanthium ssp. acanthium
© 2001 CDFA
Genus: Onopordum
Parent: Onopordum acanthium
Name Status:
Accepted by JEF

More information about  Onopordum acanthium ssp. acanthium
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Dec 17, 2018).