| Name | Juncus balticus var. melanogenus Fernald & Wiegand |
| Authorship | Fernald & Wiegand |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus balticus Willdenow |
| GUID | urn:lsid:ipni.org:names:132019-2 |
| Citation | 1912 Rhodora 14: 35 |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Juncus balticus var. melanogenus Fernald & Wiegand |
| Identification made in | [no date] (17) |