Cottea pappophoroides Kunth

An uncommon grass in the U.S., found in southeastern Arizona, southwestern New Mexico, and the Big Bend region of Texas.

Plant habit at the north end of the Aden Malpais, Doña Ana County, New Mexico, 6 Oct 2012.

An inflorescence at the north end of the Aden Malpais, 6 Oct 2012.

Spikelets at anthesis, north end of the Aden Malpais, 6 Oct 2012.

Spikelets past anthesis, north end of the Aden Malpais, 6 Oct 2012.

Central axis of the inflorescence and bases of primary branches on the north end of the Aden Malpais, 6 Oct 2012.

Stem and collar region of a leaf, north end of the Aden Malpais, 6 Oct 2012.