| Name | Navarretia filifolia var. diffusa (A. Gray) Brand |
| Authorship | (A. Gray) Brand |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Navarretia filifolia Brand |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Navarretia filifolia var. diffusa (A. Gray) Brand |
| Identification made in | 1922 (3) |