Calflora
Taxon  Report   2133    
Cirsium hydrophilum  (Greene) Jeps.  var. hydrophilum 
Suisun thistle
Cirsium hydrophilum var. hydrophilum, a dicot, is a perennial herb that is native to California and and is endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   CNDDB

It is listed by the Federal Government as Endangered .
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
Observation Search
(13 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: ASTERACEAE  
Genus: Cirsium
Parent: Cirsium hydrophilum

Wetlands: Occurs in wetlands

Habitat: salt-marsh

Communities: Coastal Salt Marsh, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Cirsium vaseyi var. hydrophilum
More information about  Cirsium hydrophilum var. hydrophilum

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Oct 24, 2020).