| Name | Plagiobothrys trachycarpus (A. Gray) I. M. Johnston |
| Authorship | (A. Gray) I. M. Johnston |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Plagiobothrys |
| Holdings | 35 Specimens held in the Harvard University Herbaria identified as Plagiobothrys trachycarpus (A. Gray) I. M. Johnston |
| Identification made in | [no date] (33), 1923 (1), 1972 (1) |