| Name | Juncus robustus (Coville) Engelmann |
| Authorship | (Coville) Engelmann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| Citation | 1896 Ill. Fl. N. U.S. [Britton & Brown] 1: 395 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Juncus robustus (Coville) Engelmann |
| Identification made in | [no date] (4) |