Deschampsia danthonioides is a species of grass known by the common name annual hairgrass. It is native to western North America from the Yukon Territory and British Columbia, through California and the Western United States, to Baja California, and also to southern South America in Chile and Argentina. The annual bunchgrass grows in moist to drying areas such as pond edges, meadows and grasslands, in various habitat types such as montane and chaparral.