| Name | Viguiera retroflexa S. F. Blake |
| Authorship | S. F. Blake |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Viguiera Kunth |
| GUID | urn:lsid:ipni.org:names:259911-1 |
| Citation | 1918 Contr. Gray Herb. 54: 146 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Viguiera retroflexa S. F. Blake |
| Identification made in | [no date] (1), 1917 (1), 1984 (1) |