Photos: The Burren, Co.Clare
5-petalled white flowers, divided petals approx. 2x long as sepals. 10 stamens. Short narrow leaves, downy, with some hairs glandular. Low spreading growth, can form large patches.
Dry sandy or rocky ground. Short grassland, shingle beaches.
Locally frequent in the Burren and near Galway, also north of Dublin. Decreasing.
Similar: Greater Stitchwort, Stellaria holostea
Above: Field Mouse-ear, Cerastium arvense. The Burren, Co.Clare. April 2009