Creeping plant with lilac coloured flowers

Creeping plant with lilac coloured flowers

Observation - Creeping plant with lilac coloured flowers. Description: Small lilac flowered creeping plant with toothed leaves. Observed growing in cracks between paving stones on the floor of an abandoned glasshouse.

Small lilac flowered creeping plant with toothed leaves. Observed growing in cracks between paving stones on the floor of an abandoned glasshouse.