Agrostis perennans var. perennans  
Family: Poaceae
autumn bent grass, thin grass, upland bent grass
Agrostis perennans var. perennans image
Robert W. Freckmann  
Agrostis perennans var. perennans image
Agrostis perennans var. perennans image
Agrostis perennans var. perennans image
Agrostis perennans var. perennans image