Native to the western United States, and found from the Rocky Mountains to the west coast.
A perennial grass maturing in early spring. Propagation is from seeds. This sometimes becomes a problem weed along roadsides or along fences.
The mature plant may be up to 2 feet tall, with a dense stand of many stems arising from the base. Stems and leaves are thin but stiff. Leaves are flat or their edges may roll upward slightly. A short, hairy ligule is present at the base of the leaf blade.
Flower clusters are long and thin, with a spike up to 4 inches long with closely set flowers. The bristles or awns may be over 3 inches long and tend to lay flat along the spike, facing upward.
Characteristicts Important to Control:
A perennial grass that is capable of re-growth from the strong, fibrous root system.