What is this doing here

What is this doing here

Observation - What is this doing here. Description: Open area of woodland in grassy area,all I could think is that it has come from seed carried by bird's,there were three clumps and the leaves look very much like Ice plant grey green fleshy

Open area of woodland in grassy area,all I could think is that it has come from seed carried by bird's,there were three clumps and the leaves look very much like Ice plant grey green fleshy