| Name | Juncus tenuis var. laxiflorus Fiek & Schube |
| Authorship | Fiek & Schube |
| Rank | Variety |
| Placed in | Juncus tenuis Willdenow |
| Citation | 1890 Jahresber. Schles. Ges. Vaterl. Cult. 67: 166 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Juncus tenuis var. laxiflorus Fiek & Schube |
| Identification made in | [no date] (1) |