Taxon  Report   11464 
Carduus pycnocephalus  L.  ssp. pycnocephalus 
Italian thistle
Carduus pycnocephalus ssp. pycnocephalus
© 2013 Jean Pawek
More photos from
CalPhotos / Calflora
Carduus pycnocephalus ssp. pycnocephalus
© 2015 Barry Breckling
Carduus pycnocephalus ssp. pycnocephalus
© 2015 Robert Sikora
Carduus pycnocephalus ssp. pycnocephalus, a dicot, is an annual herb that is not native to California.

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Carduus pycnocephalus ssp. pycnocephalus
© 2013 Jean Pawek
Genus: Carduus
Parent Record Carduus pycnocephalus
Distribution by County 

Add an Observation of  Carduus pycnocephalus ssp. pycnocephalus

Name Status:
Accepted by JEF
More information about  Carduus pycnocephalus ssp. pycnocephalus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
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: Sep 20, 2018).

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