Taxon  Report   2150 
Cirsium undulatum  (Nutt.) Spreng.
Wavy leaved thistle,  Wavyleaf thistle
Cirsium undulatum
© 2010 Lee Dittmann
Click on a photo to see it bigger.
Cirsium undulatum
© 2010 Lee Dittmann
Cirsium undulatum
© 2010 Lee Dittmann
Cirsium undulatum, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

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 undulatum
© 2015 Richard Spellenberg
Genus: Cirsium
Wetlands: Occurs usually in non wetlands, occasionally in wetlands
Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Cirsium undulatum
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

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: Mar 18, 2018).

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