Cerastium arvense, field chickweed, field mouse-ear
densely tufted perennial chickweed of north temperate zone
Cerastium tomentosum, love-in-a-mist, snow-in-summer
chickweed with hairy silver-grey leaves and rather large white flowers
Alpine mouse-ear, Arctic mouse-ear, Cerastium alpinum
widespread in the Arctic and on mountains in Europe