Juglans californica, the California black walnut, California walnut or the Southern California black walnut, a large shrub or small tree species endemic to California
Juglans nigra | Juglans | 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 | Juglans australis | Gutierrezia californica | Festuca californica | Eschscholzia californica | Ephedra californica | Encelia californica | Cerithidea californica |