Taxon  Report   2117 
Cirsium arizonicum  (A. Gray) Petrak
Arizona thistle
Cirsium arizonicum
© 2007 Steven Thorsted
Click on a photo to see it bigger.
Cirsium arizonicum, a dicot, is a perennial herb that is native to California and is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
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point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Cirsium arizonicum
© 2007 Steven Thorsted
Subalpine Forest
Habitat: slopes [Walker]
Wetlands:Usually occurs in non wetlands, but occasionally found in wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Cirsium arizonicum

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

PLANTS: Cirsium arizonicum var. nidulum
PLANTS: Cirsium nidulum
PLANTS: Cnicus arizonicus
XWALK: Cirsium eatonii
More information about  Cirsium arizonicum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
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)

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 26, 2016).

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