| Plants : Juncaceae | Ferns and Flowering Plants |
![]() |
| Juncus bulbosus |
Description: A small, very variable, perennial grass-like native plant with stems somewhat swollen at their bases; sometimes the stems flop over and root at the nodes. Frequently it is viviparous i.e. the flowers are replaced by tiny shoots.
An aquatic free-floating form (var. fluitans) grows in lakes; it has long weak thread-like stems and leaves and is much branched.
All names: Juncus bulbosus L.; Juncus kochii F.Schultz; Juncus bulbosus sens. lat. L.; Juncus supinus Moench
Distribution Map from NBN: Juncus bulbosus at National Biodiversity Network mapping facility, data for UK.
iNaturalist: Juncus bulbosus at iNaturalist World Species Observations database.
| Hackney, P., 2026. Juncus bulbosus. L.. [In] Flora of Northern Ireland. https://habitas.org/flora/species.php?item=2234. Accessed on 2026-11-02. |