Taxon  Report   2124 
Cirsium cymosum  (E. Greene) J. Howell
Peregrine thistle
Cirsium cymosum
© 2009 Keir Morse
Click on a photo to see it bigger.
Cirsium cymosum
© 2009 Julie Kierstead Nelson
Cirsium cymosum
© 2009 Julie Kierstead Nelson
Cirsium cymosum, 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
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Cirsium cymosum
© 2009 Keir Morse
Mixed Evergreen Forest, Chaparral, Foothill Woodland, Yellow Pine Forest
Habitat: slopes
AFFINITY to serpentine soil:   3 (strong indicator)   [Safford et al 2005]
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Cirsium triacanthum
More information about  Cirsium cymosum
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]. 2017. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Dec 18, 2017).

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