| Name | Juncus tenuis Willdenow |
| Authorship | Willdenow |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| Contains | Juncus tenuis var. anthelatus Wiegand Juncus tenuis var. congestus Engelmann Juncus tenuis var. laxiflorus Fiek & Schube Juncus tenuis var. multicornis E. Meyer Juncus tenuis var. platycaulos (Kunth) Buchenau Juncus tenuis var. tenuis Juncus tenuis var. uniflorus Farwell Juncus tenuis var. williamsii Fernald |
| GUID | urn:lsid:ipni.org:names:304453-2 |
| Holdings | 1000 Specimens held in the Harvard University Herbaria identified as Juncus tenuis Willdenow |
| Identification made in | [no date] (994), 1866 (1), 1868 (1), 2007 (1), 2012 (3) |