| Name | Stipa occidentalis Thurber ex S. Watson |
| Authorship | Thurber ex S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Stipa Linnaeus |
| GUID | urn:lsid:ipni.org:names:423589-1 |
| Citation | 1871 Botany [Fortieth Parallel] 380 |
| Holdings | 38 Specimens held in the Harvard University Herbaria identified as Stipa occidentalis Thurber ex S. Watson |
| Identification made in | [no date] (14), 1980 (7), 1985 (17) |