Cultivars: Heterotheca villosa 'San Bruno Mountain'
Related species: Heterotheca villosa var. scabra Heterotheca villosa var. minor
Plant Communities: Yellow Pine Forest Sagebrush Scrub Coastal Sage Scrub Chaparral Northern Coastal Scrub Foothill Woodland Valley Grassland Red Fir Forest Joshua Tree Woodland Mixed Evergreen Forest
Counties: Alpine Contra Costa Colusa El Dorado Kern Lassen Los Angeles Mariposa Monterey Modoc Nevada Orange Placer Plumas Riverside Santa Barbara San Bernardino San Benito San Diego San Luis Obispo Shasta Sierra Siskiyou Tuolumne Ventura