| Name | Plagiobothrys kingii var. harknessii (Greene) Jepson |
| Authorship | (Greene) Jepson |
| Rank | Variety |
| Placed in | Plagiobothrys kingii (S. Watson) A. Gray |
| Citation | 1925 Man. Fl. Pl. Calif. 856 |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Plagiobothrys kingii var. harknessii (Greene) Jepson |
| Identification made in | [no date] (21) |