This grey-green leaved member of the Cabbage family is a sprawling plant which grows to a height of around 40cm.
Smith's Cress grows in bare, dry soil and also in wasteground and other places where the soils have been disturbed. In the UK it is more common in the south and west and in Ireland it is most often found in the easterly counties.
The plant flowers from May and onwards well into August.
The specimen shown on this page was found in the Anglesey Fens National Nature Reserves in North Wales and was photographed in mid June.