Plant Search Results
  6 Matching records.
Searching for: genus: Carduus
Click on the Scientific Name to see a Taxon Report.
Scientific Name Common NameStatus Lifeform

Carduus acanthoides

spiny plumeless thistle, Plumeless Thistle not native INVASIVE WEED Perennial herb
Carduus acanthoides
© 2001 CDFA
Carduus acanthoides
© 2001 CDFA

Carduus acanthoides ssp. acanthoides

Plumeless thistle not native Perennial herb
Carduus acanthoides ssp. acanthoides
© 2010 Dr.Thomas K. Voekler
Carduus acanthoides ssp. acanthoides
© 2012 Jean Pawek

Carduus nutans

Musk thistle, nodding plumeless thistle not native INVASIVE WEED Perennial herb
Carduus nutans
© 2005 Louis-M. Landry
Carduus nutans
© 2007 Steve Matson

Carduus pycnocephalus

Italian thistle not native INVASIVE WEED Annual herb
Carduus pycnocephalus
© 2004 Carol W. Witham
Carduus pycnocephalus
© 2004 Carol W. Witham
Carduus pycnocephalus
© 2001 CDFA

Carduus pycnocephalus ssp. pycnocephalus

Italian thistle not native Annual herb
Carduus pycnocephalus ssp. pycnocephalus
© 2013 Jean Pawek
Carduus pycnocephalus ssp. pycnocephalus
© 2006 Chris Wagner, SBNF

Carduus tenuiflorus

Italian thistle, winged plumeless thistle, Slender flowered Thistle not native INVASIVE WEED Annual herb
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]. 2014. Berkeley, California:
    The Calflora Database [a non-profit organization].
    Available: http://www.calflora.org/   (Accessed: Jul 31, 2014).

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

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