Calflora
Taxon  Report   2121    
Cirsium ciliolatum  (L. F. Hend.) J. T. Howell
Ashland thistle
Cirsium ciliolatum, a dicot, is a perennial herb that is native to California, Oregon.
California Rare Plant Rank: 2B.1 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

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

Bloom Period
Family: ASTERACEAE  
Genus: Cirsium
Communities: Valley Grassland, Foothill Woodland
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Cirsium botrys
PLANTS: Cirsium howellii
More information about  Cirsium ciliolatum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (CICI)


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 16, 2019).