4 matching records.
Searching for: genus: Onopordum
Click on the Scientific Name to see a Taxon Report.
Onopordum acanthium

invasive non-native
Perennial herb
Scotch cottonthistle
Onopordum acanthium
© 2001 CDFA
Onopordum acanthium
© 2007 Louis-M. Landry
Onopordum acanthium
© 2007 Louis-M. Landry
Onopordum acanthium ssp. acanthium

invasive non-native
Perennial herb
Scottish thistle
Onopordum acanthium ssp. acanthium
© 2007 Karel Castro-Morales
Onopordum acanthium ssp. acanthium
© 2001 CDFA
Onopordum acanthium ssp. acanthium
© 2001 CDFA
Onopordum illyricum

non-native
Biennial herb
Illyrian cottonthistle,
Illyrian thistle
Onopordum illyricum
© 2005 Luigi Rignanese
Onopordum illyricum
© 2005 Luigi Rignanese
Onopordum illyricum
© 2005 Luigi Rignanese
Onopordum tauricum

non-native
Perennial herb
Bull cottonthistle,
Taurian thistle
Onopordum tauricum
© 2001 CDFA
Onopordum tauricum
© 2001 CDFA
    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: Aug 26, 2016).

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

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