| Name | Barbacenia williamsii L. B. Smith |
| Authorship | L. B. Smith |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Barbacenia |
| GUID | urn:lsid:ipni.org:names:29439-2 |
| Citation | 1962 Contr. U.S. Natl. Herb. 35: 278 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Barbacenia williamsii L. B. Smith |
| Identification made in | [no date] (1), 2025 (1) |