Plant Communities: Mixed Evergreen Forest
Synonyms: Oenothera biennis ssp. caeciarum Oenothera biennis ssp. centralis Oenothera biennis var. pycnocarpa Oenothera muricata Oenothera pycnocarpa
Counties: Alameda Butte Calaveras Contra Costa El Dorado Humboldt Los Angeles Modoc Nevada Plumas Riverside Sacramento San Bernardino Santa Cruz San Joaquin San Luis Obispo San Mateo Siskiyou Sutter Trinity Ventura Yolo