| Name | Juncus effusus var. brunneus Engelmann |
| Authorship | Engelmann |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus effusus Linnaeus |
| GUID | urn:lsid:ipni.org:names:132114-2 |
| Citation | 1868 Trans. Acad. Sci. St. Louis 2: 491 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Juncus effusus var. brunneus Engelmann |
| Identification made in | [no date] (3) |
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