Calflora
Taxon  Report   2148    
Cirsium rhothophilum  S. F. Blake
Surf thistle
Cirsium rhothophilum, a dicot, is a perennial herb that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

It is listed by the State of California as Threatened .
Observation Hotline
(observation details)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: ASTERACEAE  
Genus: Cirsium
Habitat: dunes, coastal

Communities: Coastal Strand, Coastal Sage Scrub

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Cirsium maritimum
More information about  Cirsium rhothophilum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (CIRH)


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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Feb 15, 2019).