Related species: Ceanothus prostratus var. occidentalis Ceanothus prostratus var. prostratus
Plant Communities: Yellow Pine Forest Red Fir Forest Chaparral
Synonyms: Ceanothus divergens ssp. occidentalis Ceanothus prostratus var. laxus
Counties: Alpine Amador Butte Calaveras Colusa Del Norte El Dorado Fresno Humboldt Inyo Lake Lassen Mariposa Mendocino Modoc Napa Nevada Placer Plumas Riverside Shasta Sierra Siskiyou Sonoma Tehama Trinity Tulare Tuolumne Yuba