Lycurus setosus

Wolf's tail. The very similar Lycurus phleoides has shorter or absent bristles on the tips of the upper leaves (visible in the second photograph below) and longer ligules.

An inflorescence along the Pine Tree Trail at Aguirre Springs, 9/24/05.

Plant habit at Aguirre Springs, 9/24/05.

Closer view of spikelets at Aguirre Springs, 9/24/05.