Aristida divaricata is a species of grass known by the common name poverty threeawn.

It is native to the Americas from the central United States to Guatemala.

It is a perennial grass forming clumps of unbranched stems up to 70 centimeters tall.

The sparse inflorescence is a wide, flat, open array of spikelets that break apart easily.

The grain has a twisted tip and three awns up to 2 centimeters long.