| Name | Festuca amethystina subvar. robusta St.-Yves |
| Authorship | St.-Yves |
| Rank | Subvariety |
| NomenclaturalStatus | NomLeg |
| Placed in | Festuca amethystina Linnaeus |
| GUID | urn:lsid:ipni.org:names:293126-2 |
| Citation | 1925 Candollea 2: 264 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Festuca amethystina subvar. robusta St.-Yves |
| Identification made in | [no date] (1) |