Taxon  Report   9466 
Cirsium arizonicum  (A. Gray) Petr.  var. tenuisectum  D. J. Keil
Desert mountain thistle
Cirsium arizonicum var. tenuisectum
© 2009 James M. Andre
More photos from
CalPhotos / Calflora
Cirsium arizonicum var. tenuisectum, a dicot, is a perennial herb that is native to California.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Cirsium arizonicum var. tenuisectum
© 2009 James M. Andre
Genus: Cirsium
Parent Record Cirsium arizonicum
Wetlands: Arid West: Occurs usually in non wetlands, occasionally in wetlands
Mountains, Valleys and Coast: Equally likely to occur in wetlands and non wetlands
Distribution by County 

Add an Observation of  Cirsium arizonicum var. tenuisectum

Name Status:
Accepted by JEF + CNPS
Alternate Names:
(according to)

ICPN: Cirsium nidulum
More information about  Cirsium arizonicum var. tenuisectum
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

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: May 25, 2018).

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