| Name | Xyris tristis L. B. Smith & Downs |
| Authorship | L. B. Smith & Downs |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Xyris Linnaeus |
| GUID | urn:lsid:ipni.org:names:270225-2 |
| Citation | 1963 Publ. Mus. Hist. Nat. "Javier Prado", Ser. B, Bot. 15: 9 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Xyris tristis L. B. Smith & Downs |
| Identification made in | [no date] (1) |