| Name | Plagiobothrys oppositifolius (Philippi) I. M. Johnston |
| Authorship | (Philippi) I. M. Johnston |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Plagiobothrys |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Plagiobothrys oppositifolius (Philippi) I. M. Johnston |
| Identification made in | [no date] (2) |