Hordeum aegiceras (syn.

Hordeum vulgare var.

trifurcatum), the grim barley, is a species of flowering plant in the family Poaceae.

[2][3] It is native to Mongolia, Tibet, Qinghai, and central China, and it has been introduced into other locales around the world, including Argentina and the U.S. state of Illinois.

[1] An annual reaching 40 to 80 cm (16 to 31 in), it is cultivated at elevations above 3,000 m (9,800 ft).