Hordeum murinum, commonly known as wall barley or false barley, is a species of grass.
Hordeum murinum is quite widespread and common. It flowers during May through July in mainly coastal areas. In the British Isles it is absent throughout most of Ireland and Scotland but is common in England and Wales.
It can grow to 30 cm in height, and its unbranched spikes can reach 10 cm long. It produces small, dry nutlets and its leaves can be 8 mm wide with short, blunt ligules.
It is an annual winter species ...