Taxon  Report   2146 
Cirsium quercetorum  (A. Gray) Jepson
Alameda county thistle,  Brownie thistle
Cirsium quercetorum
© 2010 Zoya Akulova
Click on a photo to see it bigger.
Cirsium quercetorum
© 2010 Robert Steers/NPS
Cirsium quercetorum
© 2007 Neal Kramer
Cirsium quercetorum, a dicot, is an annual or perennial herb that is native to California and is endemic (limited) to California.

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Plant Characteristics
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Bloom Period
Cirsium quercetorum
© 2007 Neal Kramer
Genus: Cirsium
Mixed Evergreen Forest, Coastal Prairie
Distribution by County 

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Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Cirsium quercetorum var. mendocinum
PLANTS: Cirsium quercetorum var. quercetorum
PLANTS: Cirsium quercetorum var. walkerianum
PLANTS: Cirsium quercetorum var. xerolepis
PLANTS: Cirsium walkerianum
More information about  Cirsium quercetorum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 19, 2018).

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