Corynephorus canescens

About

Corynephorus canescens, common name grey hair-grass or gray clubawn grass, is a species of plants in the grass family, native to Europe, the Middle East, and North Africa but widely naturalized in North America. In the United Kingdom it is rare. It can be found at sites such as Wangford Warren and Carr, a Site of Special Scientific Interest in the Breckland area of Suffolk.

Summary from Wikipedia