| Name | Onosma oblongifolium W. W. Smith & Jeffrey |
| Authorship | W. W. Smith & Jeffrey |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Onosma Linnaeus |
| Citation | 1916 Notes Roy. Bot. Gard. Edinburgh 9: 113 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Onosma oblongifolium W. W. Smith & Jeffrey |
| Identification made in | [no date] (1) |