| Name | Dirca occidentalis A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Dirca Linnaeus |
| GUID | urn:lsid:ipni.org:names:324555-2 |
| Citation | 1878 Proc. Amer. Acad. Arts 8: 631 |
| Holdings | 93 Specimens held in the Harvard University Herbaria identified as Dirca occidentalis A. Gray |
| Identification made in | [no date] (88), 1963 (2), 2012 (2), 2013 (1) |