| Name | Juncus venturianus Castillon |
| Authorship | Castillon |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| Citation | 1926 Bol. Mus. Hist. Nat. Tucuman 7: 21 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Juncus venturianus Castillon |
| Identification made in | [no date] (1) |