Calflora Taxon Report
Centaurea stoebe  L.
Spotted knapweed
Centaurea stoebe is a perennial herb that is not native to California.
Cal-IPC rating: high
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
~1542 records in California
redone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Subspecies and Varieties:
Genus: Centaurea
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Name Status:
Accepted by PLANTS + POWO

Information about Centaurea stoebe from other sources

USDA PLANTS Profile (CEST8)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

[Wikipedia] Taxonomy: The common name spotted knapweed refers to the black-tipped sepals that look like spots. (link added by Mary Ann Machi)

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

Accessed: