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Cirsium scariosum  Nutt.  var. americanum  (A. Gray) D.J. Keil
Dinnerplate thistle
© 2020 Bob Sweatt
© 2004 Steve Matson
© 2022 Steve Matson
© 2004 Steve Matson
© 2020 Mark Kircher
© 2020 Mark Kircher
© 2023 Cynthia Powell
© 2021 R.A. Chasey
© 2022 R.A. Chasey
© 2022 R.A. Chasey
© 2023 Cynthia Powell
© 2018 Matt Berger
© 2022 Melissa Harbert
© 2022 Melissa Harbert
© 2022 Steve Matson
© 2020 Mark Kircher
© 2022 R.A. Chasey
Cirsium scariosum var. americanum is a perennial herb that is native to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Parent: Cirsium scariosum
Genus: Cirsium
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Equally likely to occur in wetlands and non wetlands
Name Status:
Accepted by JEF
Alternate Names:
POWOCirsium tioganum
Information about  Cirsium scariosum var. americanum from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

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Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 03/29/2025).