| Name | Grevillea sericea var. diffusa (Sieber ex Sprengel) Bentham |
| Authorship | (Sieber ex Sprengel) Bentham |
| Rank | Variety |
| Placed in | Grevillea sericea (Smith) R. Brown |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Grevillea sericea var. diffusa (Sieber ex Sprengel) Bentham |
| Identification made in | [no date] (1) |