| Name | Juncus acuminatus var. debilis (A. Gray) Engelmann |
| Authorship | (A. Gray) Engelmann |
| Rank | Variety |
| Placed in | Juncus acuminatus Michaux |
| Citation | 1867 Manual (Gray), ed. 5 542 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Juncus acuminatus var. debilis (A. Gray) Engelmann |
| Identification made in | 1866 (1) |