Taxon  Report   2146 
Cirsium quercetorum  (A. Gray) Jepson
Alameda county thistle,  Brownie thistle

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.

 Interactive Distribution Map 

 Observation Hotline 
 (observation details + photos)

point, line, or polygon

 Plant Characteristics
 and Associations

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

Add an Observation of  Cirsium quercetorum

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
Location Suitability

Nursery / seed vendor availability from CNPLX
Commercial availability unknown.


Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 25, 2015).

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

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