Juncus capillaceus
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Magnoliales
- family: Juncaceae
- genus: Juncus
- species: Juncus capillaceus
Gladesville- Hunters Hill
- North Ryde
New South Wales
Australia
Caxias do Sul- Montenegro
Rio Grande do Sul
Brazil