Hordeum aegiceras
Hordeum aegiceras Nees ex Royle

Hordeum aegiceras, known as grim barley, is a flowering plant in the grass family Poaceae. Native to Mongolia, Tibet, Qinghai, and central China, it has been introduced to Argentina and Illinois. This annual plant grows to 40–80 cm and is cultivated at elevations above 3,000 m.
Description
Hordeum aegiceras is a member of the grass family Poaceae and is native to regions in Asia, including Mongolia, Tibet, Qinghai, and central China. It has also been introduced to other areas such as Argentina and Illinois. The plant is an annual that typically reaches a height of 40 to 80 cm and is cultivated in high-altitude environments, above 3,000 m. It was first described in 1840 by Nees ex Royle.
Distribution
Argentina Northwest · China North-Central · China South-Central · East Himalaya · Illinois · Mongolia · Qinghai · Tibet · West Himalaya
Synonyms
Critho aegicerasHordeum coeleste var. trifurcatumHordeum nepalenseHordeum trifurcatumHordeum vulgare subsp. aegicerasHordeum vulgare var. argicerasHordeum vulgare var. trifurcatumTriticum hordeiformeHordeum vulgare subsp. distichumHordeum vulgare var. aegiceras