Calflora
4 matching records.
Searching for: genus: Onopordum
Click on the Scientific Name to see a Taxon Report.
Onopordum acanthium
Scotch cottonthistle
invasive non-native
Perennial herb
Onopordum acanthium
© 2013 Richard Spellenberg
CalPhotos (UCB)
Onopordum acanthium
© 2007 Louis-M. Landry
CalPhotos (UCB)
Onopordum acanthium
© 2018 Joe Woods
Onopordum acanthium ssp. acanthium
Scottish thistle
non-native
Perennial herb
Onopordum acanthium ssp. acanthium
© 2007 Karel Castro-Morales
CalPhotos (UCB)
Onopordum acanthium ssp. acanthium
© 2001 CDFA
CalPhotos (UCB)
Onopordum acanthium ssp. acanthium
© 2016 Phil Zortman
Onopordum illyricum
Illyrian thistle
invasive non-native
Biennial herb
Onopordum illyricum
© 2021 Nancy Barrera
Onopordum illyricum
© 2021 Nancy Barrera
Onopordum illyricum
© 2007 Luigi Rignanese
CalPhotos (UCB)
Onopordum tauricum
Taurian thistle
non-native
Perennial herb
Onopordum tauricum
© 2001 CDFA
CalPhotos (UCB)
Onopordum tauricum
© 2001 CDFA
CalPhotos (UCB)
    Suggested Citation
    Calflora: Information on California plants for education, research and conservation. [web application]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Oct 20, 2021).

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