Description: Old mortared walls, such as those of many historic monuments, are the normal habitat of this species in Northern Ireland. Like some other species which are restricted to this man-made habitat, it is probably not truly native in Northern Ireland.

All names: Parietaria judaica L.; Parietaria diffusa Mert. & Koch.; Parietaria ramiflora auct.

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

iNaturalist: Parietaria judaica at iNaturalist World Species Observations database.