O. californica
Appearance
O. californica may refer to:
- Oenothera californica, the California evening primrose, a flowering plant species native to parts of the southwestern United States and Baja California
- Orcuttia californica, the California Orcutt grass, a rare grass species native to southern California and northern Baja California
- Orobanche californica, the California broomrape, a plant species native to western North America
- Osmia californica, a mason bee species native to North America
See also
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