| Name | Juncus rostocarpus Miyamoto |
| Authorship | Miyamoto |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| GUID | urn:lsid:ipni.org:names:77138799-1 |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Juncus rostocarpus Miyamoto |
| Identification made in | [no date] (2), 2007 (1), 2012 (13) |