| Name | Juncus asper Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| NomenclaturalStatus | LaterHomonym |
| Placed in | Juncus |
| Remarks | non Sauzé, 1864 |
| GUID | urn:lsid:ipni.org:names:442701-1 |
| Citation | 1868 Trans. Acad. Sci. St. Louis 2: 478 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Juncus asper Engelmann |
| Identification made in | [no date] (8) |