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Taxon  Report  
Xanthisma spinulosum  (Pursh) D. R. Morgan & R. L. Hartm.
Xanthisma spinulosum 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
Subspecies and Varieties:
Genus: Xanthisma
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands:
Arid West: Occurs in non wetlands
Mountains, Valleys and Coast: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by + POWO
Alternate Names:
PLANTSMachaeranthera pinnatifida
Information about  Xanthisma spinulosum from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Habitat, Bloom Period: Xanthisma spinulosum grows in dry, sandy hot openings, cooler woodlands, and can be found blooming in the spring, summer, or fall. (link added by Mary Ann Machi)


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: 05/17/2025).