| Name | Juncus phaeocephalus Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| Contains | Juncus phaeocephalus var. glomeratus Engelmann Juncus phaeocephalus var. gracilis Engelmann Juncus phaeocephalus var. paniculatus Engelmann |
| GUID | urn:lsid:ipni.org:names:443350-1 |
| Citation | 1868 Trans. Acad. Sci. St. Louis 2: 484 |
| Holdings | 32 Specimens held in the Harvard University Herbaria identified as Juncus phaeocephalus Engelmann |
| Identification made in | [no date] (31), 2022 (1) |