Wall barley
Enw gwyddonol: Hordeum murinum
The distinctive spiky, or 'bearded', green flower heads of wall barley appear from June to July and are easy to spot in an urban environment as they push their way up through pavements and walls.
Gwybodaeth am rywogaethau
Ystadegau
Height: up to 50cmStatws cadwraethol
Common.