Description: An uninteresting-looking little plant with a rosette of leaves, thin stems and small white flowers, found on the rock exposures of the basalt scarp of Co.s Antrim and Londonderry. Also frequent as a weed of gardens, cemeteries, parks and roadsides; on paths, wall-tops and in flower beds.

All names: Arabidopsis thaliana (L.) Heynh.; Arabis thaliana L.; Sisymbrium thalianum (L.) Gay

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

iNaturalist: Arabidopsis thaliana at iNaturalist World Species Observations database.