| Name | Juncus megacephalus M. A. Curtis |
| Authorship | M. A. Curtis |
| Rank | Species |
| Placed in | Juncus |
| Citation | 1835 Boston J. Nat. Hist. 1: 132 |
| Holdings | 80 Specimens held in the Harvard University Herbaria identified as Juncus megacephalus M. A. Curtis |
| Identification made in | [no date] (80) |