| Name | Plagiobothrys humistratus (Greene) I. M. Johnstone |
| Authorship | (Greene) I. M. Johnstone |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Plagiobothrys |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Plagiobothrys humistratus (Greene) I. M. Johnstone |
| Identification made in | [no date] (6) |