Panicle branches 5-16 mm to the base of the terminal spikelets and extending
an additional 6-10 mm, with 2-5 spikelets.
Bouteloua aristidoides var. aristidoides grows in dry mesas,
plains, and washes from near sea level to about 2000 m. It matures rapidly following
summer rains, and can be abundant over large areas within its range, which extends
from California to western Texas and Mexico.