[1] The dead sheath bases remain on the plant for a long time.

The sexually reproducing populations are usually found in warmer climates with summer precipitation, while the all-female populations can tolerate colder climates and a wider range of elevations.

The grass often grows in dry areas, but it can occur in moist habitat, such as riversides.

[2] This grass is a "good to excellent forage for livestock" and wild animals,[2] feeding cattle, horses, sheep, elk, deer, and pronghorn.

[3] The fibrous root system helps to control erosion of the soil.