Campeiostachys dahurica

Elymus dahuricus (also called Dahurian wildrye or asiatic wildrye) is a species of perennial herb and a member of the flowering plant family Poaceae.

The species was first described by Nikolai Turczaninow (sometimes written Nikolai Turczaninov) in 1838.

The species is widespread in central and Eastern Asia. This species has been introduced in the Great plains of the United States and the prairie provinces in Canada. It has also been introduced to the Baltic states.

It has several subspecies and varieties.