Muhlenbergia porteri

Muhlenbergia porteri is a species of grass known by the common name bush muhly. It is native to North America, where it can be found throughout the southwestern United States and parts of Mexico. It grows in rocky, shrubby habitat. It is a perennial grass producing wiry, knotted stems up to about 80 centimeters tall. The flower cluster is an open array of spreading, thread-thin branches bearing small, awned spikelets.