| Name | Draba williamsii H. Hara |
| Authorship | H. Hara |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Draba Linnaeus |
| GUID | urn:lsid:ipni.org:names:283193-1 |
| Citation | 1977 J. Jap. Bot. 52(12): 353 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Draba williamsii H. Hara |
| Identification made in | 2009 (1) |