| Name | Juncus tenuis var. platycaulos (Kunth) Buchenau |
| Authorship | (Kunth) Buchenau |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Juncus tenuis Willdenow |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Juncus tenuis var. platycaulos (Kunth) Buchenau |
| Identification made in | [no date] (1), 1986 (1), 2000 (1) |