Not really a problem, infact it can be missed as it is so small and usually in gravelly areas unless the plants are in a large group when the flowers are more noticeable. It has been used in the past as a herbal remedy for whitlow, an inflammation of the finger or toe nail - hence some of the common names.
The lanceolate leaves grow from a small basal rosette about 2cm in diameter and have hairs arising from raised 'pimples'. They may or may not have toothed edges.
The small, white flowers are grouped atop a leafless stem arising from the basal rosette and start to appear in April. They open in the morning with four, deeply notched petals and close in the evening.
Weedkillers to use:-
A residual herbicide should prevent germination on paths.
Paraquat, Diquat contact action gives an immediate knock-down, so it should not have time to set seed, if caught in time.
The basal rosette is similar to that of Thale Cress