Calflora, a 501c3 non-profit
Distribution by County   2123    
Cirsium crassicaule  (Greene) Jeps.
Slough thistle
Cirsium crassicaule is an annual or perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   CNDDB
Record Count by County

Kern: 19 Kings: 7 San Joaquin: 6

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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 09/30/2022).