Taxon  Report   2151 
Cirsium vulgare  (Savi) Ten.
Bull thistle
Cirsium vulgare
© 2003 George W. Hartwell
Click on a photo to see it bigger.
Cirsium vulgare
© 2008 John Dittes
Cirsium vulgare
© 2004 Steve Matson
Cirsium vulgare, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
It is an invasive plant. The California Invasive Plant Council classifies its potential impact on native ecosystems as moderate (plant profile / CalWeedMapper).

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Plant Characteristics
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Bloom Period
Cirsium vulgare
© 2005 Christopher L. Christie
Genus: Cirsium
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Carduus lanceolatus
PLANTS: Carduus vulgaris
PLANTS: Cirsium lanceolatum var. hypoleucum
PLANTS: Cirsium lanceolatum
More information about  Cirsium vulgare
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 22, 2016).

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