| Name | Juncus longistylis Torrey |
| Authorship | Torrey |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| Citation | 1859 Rep. U.S. Mex. Bound., Bot. 223 |
| Holdings | 123 Specimens held in the Harvard University Herbaria identified as Juncus longistylis Torrey |
| Identification made in | [no date] (101), 1986 (19), 2008 (2), 2014 (1) |