| Name | Ruellia californica subsp. peninsularis |
| Authorship | |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Ruellia californica (Rose) I. M. Johnston |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ruellia californica subsp. peninsularis |
| Identification made in | [no date] (1) |