Rattle Brome, Rattlesnake Brome
Bromus briziformis

The photo above shows a close-up of the seed head of rattlesnake brome as seen on steep slopes above the John Day River along Oregon Highway 19 at milepost 80 in central Oregon....................May 28, 2007.

The photo above shows a close-up of the inflorescence of rattlesnake brome as seen on steep slopes above the John Day River along Oregon Highway 19 at milepost 80 in central Oregon....................May 28, 2007.
Paul Slichter