| Name | Juncus triformis var. uniflorus Engelmann |
| Authorship | Engelmann |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus triformis Engelmann |
| GUID | urn:lsid:ipni.org:names:132353-2 |
| Citation | 1868 Trans. Acad. Sci. St. Louis 2: 493 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Juncus triformis var. uniflorus Engelmann |
| Identification made in | [no date] (1) |