| Name | Viguiera excelsa var. megacephala (Robinson & Greenman) S. F. Blake |
| Authorship | (Robinson & Greenman) S. F. Blake |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Viguiera excelsa (Willdenow) Bentham & Hooker f. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Viguiera excelsa var. megacephala (Robinson & Greenman) S. F. Blake |
| Identification made in | 1917 (1) |