Related species: Phacelia humilis var. dudleyi Phacelia humilis var. humilis
Plant Communities: Sagebrush Scrub Northern Juniper Woodland Yellow Pine Forest Red Fir Forest
Counties: Alpine Calaveras El Dorado Inyo Kern Lassen Mariposa Mono Modoc Nevada Placer Plumas Riverside San Bernardino San Diego Shasta Sierra Siskiyou Solano Tehama Tulare Yuba