6 matching records.
Searching for: genus: Carduus
Click on the Scientific Name to see a Taxon Report.
Carduus acanthoides

invasive non-native
Perennial herb
Plumeless thistle,
Spiny plumeless thistle
Carduus acanthoides
© 2001 CDFA
Carduus acanthoides
© 2010 Dr.Thomas K. Voekler
Carduus acanthoides
© 2001 CDFA
Carduus acanthoides ssp. acanthoides

non-native
Perennial herb
Plumeless thistle
Carduus acanthoides ssp. acanthoides
© 2010 Dr.Thomas K. Voekler
Carduus acanthoides ssp. acanthoides
© 2012 Jean Pawek
Carduus nutans

invasive non-native
Perennial herb
Musk thistle,
Nodding plumeless thistle
Carduus nutans
© 2005 Louis-M. Landry
Carduus nutans
© 2007 Steve Matson
Carduus nutans
© 2007 Thomas Stoughton
Carduus pycnocephalus

invasive non-native
Annual herb
Italian thistle
Carduus pycnocephalus
© 2004 Carol W. Witham
Carduus pycnocephalus
© 2004 Carol W. Witham
Carduus pycnocephalus
© 2001 CDFA
Carduus pycnocephalus ssp. pycnocephalus

non-native
Annual herb
Italian thistle
Carduus pycnocephalus ssp. pycnocephalus
© 2013 Jean Pawek
Carduus pycnocephalus ssp. pycnocephalus
© 2013 Jean Pawek
Carduus pycnocephalus ssp. pycnocephalus
© 2015 Barry Breckling
Carduus tenuiflorus

invasive non-native
Annual herb
Italian thistle,
Slender flowered thistle
Carduus tenuiflorus
© 2011 Zoya Akulova
Carduus tenuiflorus
© 2001 CDFA
Carduus tenuiflorus
© Charles Webber 1998 California Academy of Sciences
    Suggested Citation
    Calflora: Information on California plants for education, research and conservation. [web application]. 2016. Berkeley, California:
    The Calflora Database [a non-profit organization].
    Available: http://www.calflora.org/   (Accessed: May 30, 2016).

    The information on this page comes from diverse sources. None of the links are sponsored.

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