| Name | Grevillea diffusa Sieber ex Sprengel |
| Authorship | Sieber ex Sprengel |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Grevillea |
| GUID | urn:lsid:ipni.org:names:62629-3 |
| Citation | 1827 Syst. Veg. (ed. 16) [Sprengel] 4(2): 46 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Grevillea diffusa Sieber ex Sprengel |
| Identification made in | [no date] (1), 2014 (1) |