| Name | Xyris ambigua Beyrich ex Kunth |
| Authorship | Beyrich ex Kunth |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Xyris Linnaeus |
| Citation | 1843 Enum. Pl. [Kunth] 4: 13 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Xyris ambigua Beyrich ex Kunth |
| Identification made in | [no date] (6), 1885 (1), 1960 (1), 1970 (3), 1995 (1), 2024 (1) |