| Name | Crepis occidentalis var. costata A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Crepis occidentalis Nuttall |
| GUID | urn:lsid:ipni.org:names:69369-2 |
| Citation | 1876 Bot. California 1: 435 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Crepis occidentalis var. costata A. Gray |
| Identification made in | [no date] (1) |