This grass is 20 to 60 cm tall with leaves that reach a maximum of 10 mm wide. The panicle is ovoid, not lobed and only 1.5 to 6 cm long x 12 to 22 mm wide.

A casual weed of waste ground and rubbish dumps, often introduced in bird seed mixes.

Flowers June to September.

Annual.

Occasional but widespread in much of Britain although mainly coastal in Scotland.

Occasional casual in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 52 of the 617 tetrads.