Carex abrupta

Carex abrupta is a species of sedge known by the common name abrupt-beaked sedge or abruptbeak sedge. It is native to the western United States from California to Idaho, where it grows in moist mountain habitat such as meadows.
Description.
This sedge forms a dense, erect clump exceeding 20 centimeters in height. The inflorescence is a rounded cluster of spikes 1 to 2 centimeters wide. Each fruit is surrounded by a sac called a perigynium which is boat-shaped to scoop-shaped with a very narrow, cylindrical beak coppery red to dark brown in color.