| Name | Juncus subcaudatus (Engelmann) Coville & S. F. Blake |
| Authorship | (Engelmann) Coville & S. F. Blake |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| Contains | Juncus subcaudatus subsp. americanus (Engelmann) Coville & S. F. Blake Juncus subcaudatus var. planisepalus Fernald |
| Holdings | 72 Specimens held in the Harvard University Herbaria identified as Juncus subcaudatus (Engelmann) Coville & S. F. Blake |
| Identification made in | [no date] (66), 1999 (4), 2022 (2) |