Taxon  Report   2148 
Cirsium rhothophilum  S.F. Blake
Surf thistle
Cirsium rhothophilum
© 1984 California Native Plant Society
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Cirsium rhothophilum, a dicot, is a perennial herb that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 1B.2 (rare, threatened, or endangered in CA and elsewhere).   7th Edition  /  8th Edition

It is listed by the State of California as Threatened .

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Plant Characteristics
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Bloom Period
Cirsium rhothophilum
© 1984 California Native Plant Society
Genus: Cirsium
Coastal Strand, Coastal Sage Scrub
Habitat: dunes, coastal [CNPS Inventory]
Distribution by County 

Add an Observation of  Cirsium rhothophilum

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

PLANTS: Cirsium maritimum
More information about  Cirsium rhothophilum
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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