Plants : JuncaceaeFerns and Flowering Plants

Juncus gerardii Loisel.

Saltmarsh Rush

Description: This native species of rush is very common around the shoreline of Northern Ireland where it grows in saltmarshes or the marshy crevices of coastal rock. It grows in dense patches, is about a foot in height, rather slender and with dark brown shiny egg-shaped fruit capsules.

All names: Juncus gerardii Loisel.

Distribution Map from NBN: Juncus gerardii at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Juncus gerardii at iNaturalist World Species Observations database.

 Hackney, P., 2026. Juncus gerardii. Loisel.. [In] Flora of Northern Ireland.
https://habitas.org/flora/species.php?item=2214. Accessed on 2026-11-02.