Related species: Clarkia biloba ssp. brandegeeae Clarkia biloba ssp. australis Clarkia biloba ssp. biloba
Plant Communities: Foothill Woodland Yellow Pine Forest Chaparral
Counties: Amador Butte Calaveras Contra Costa El Dorado Kern Los Angeles Mariposa Nevada Placer Sacramento Sierra Stanislaus Sutter Tulare Tuolumne Yuba