Description: This is an introduced species in Northern Ireland and nearly all plants have double flowers (i.e. with multiple petals). They are probably derived from garden waste, but some populations are long-established at their sites.

All names: Saponaria officinalis L.

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

iNaturalist: Saponaria officinalis at iNaturalist World Species Observations database.