Calflora, a 501c3 non-profit
Distribution by County   1502    
Carduus acanthoides  L.
Plumeless thistle,   Spiny plumeless thistle
Carduus acanthoides is a perennial herb that is not native to California.
Cal-IPC rating: limited
Record Count by County

Calaveras: 23 Lake: 4 Monterey: 2 Sonoma: 3
Colusa: 17 Los Angeles: 1 Nevada: 7 Tehama: 2
Glenn: 11 Marin: 16 San Joaquin: 3 Trinity: 21
Humboldt: 1 Modoc: 3 Siskiyou: 2

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).