Description: This is the hybrid between the sharp-flowered and jointed rushes and can often be found where the two species grow together. It is a sterile hybrid.

Probably overlooked and under-recorded.

All names: Juncus acutiflorus x articulatus (J. x surrejanus) Druce ex Stace & Lambinon; Juncus x surrejanus Druce ex Stace & Lambinon; Juncus acutiflorus x articulatus

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

iNaturalist: Juncus acutiflorus x articulatus at iNaturalist World Species Observations database.