| Name | Juncus polycephalos var. schizocephalus Fernald |
| Authorship | Fernald |
| Rank | Variety |
| Placed in | Juncus polycephalos Michaux |
| Citation | 1947 Rhodora 49: 131 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Juncus polycephalos var. schizocephalus Fernald |
| Identification made in | [no date] (1) |