Taxon  Report   5916 
Onopordum acanthium  L.  ssp. acanthium 
Scottish thistle

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.
The California Invasive Plant Council classifies its potential impact on native ecosystems as high   (plant profile / CalWeedMapper).

 Interactive Distribution Map 

 Observation Hotline 
 (observation details + photos)

point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

 Plant Characteristics
 and Associations

Bloom Period
Onopordum acanthium ssp. acanthium
© 2007 Karel Castro-Morales
Genus: Onopordum
Parent Record Onopordum acanthium.
Distribution by County 

Add an Observation of  Onopordum acanthium ssp. acanthium

Name Status:
Accepted by TJM2 + JM93
 More information about  Onopordum acanthium ssp. acanthium

Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Search (Flora of North America)

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Dec 01, 2015).

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