Vitis californica | Verbena californica | Vauquelinia californica | '''Torreya californica''', with young shoots,
PAN Botanical Garden, Warsaw | Rosa californica | Rhynchospora californica | Rhamnus californica | Rafinesquia californica | Phryganidia californica | Orobanche californica | Orcuttia californica | Oenothera californica | Notholaena californica | Neokochia californica | Lasthenia californica | Kallstroemia californica | Justicia californica | Juniperus californica | Juglans californica | Gutierrezia californica | Festuca californica | Eschscholzia californica | Ephedra californica | Encelia californica | Cerithidea californica |
5) The Bureau of Land Management set aside three areas along the Santa Ana River for preservation of federally listed species such as D. m. parvus, the Santa Ana River Woolly Star (Eriastrum densifolium ssp. sanctorum), the Slender-Horned Spineflower, and the California Gnatcatcher.