| Name | Juncus ×alpiniformis Fernald |
| Authorship | Fernald |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| Citation | 1933 Rhodora 35: 235 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Juncus ×alpiniformis Fernald |
| Identification made in | [no date] (1) |