Moss in lawn

Moss in lawn

Observation - Moss in lawn. Description: Pinnately branched, stems to about 8cm, broadly in a flat plane. In lawn. Side stems to 2cm. Leaves 2mm, pointed, straight, no obvious nerve. I suspect this is easy and common, but I don't know what it is...

Pinnately branched, stems to about 8cm, broadly in a flat plane. In lawn. Side stems to 2cm. Leaves 2mm, pointed, straight, no obvious nerve.

I suspect this is easy and common, but I don't know what it is...