| Name | Juncus mertensianus Bongard |
| Authorship | Bongard |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Juncus |
| GUID | urn:lsid:ipni.org:names:443207-1 |
| Holdings | 202 Specimens held in the Harvard University Herbaria identified as Juncus mertensianus Bongard |
| Identification made in | [no date] (201), 1934 (1) |