| Name | Plagiobothrys torreyi var. diffusus I. M. Johnston |
| Authorship | I. M. Johnston |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Plagiobothrys torreyi A. Gray |
| GUID | urn:lsid:ipni.org:names:201132-2 |
| Citation | 1923 Contr. Gray Herb. n.s. 68: 71 |
| Holdings | 19 Specimens held in the Harvard University Herbaria identified as Plagiobothrys torreyi var. diffusus I. M. Johnston |
| Identification made in | [no date] (5), 1972 (14) |