Poa macrantha
 Poa macrantha is a species of grass known by the common names seashore bluegrass and large-flowered sand dune bluegrass. It is native to the west coast of North America from Alaska to northern California where it grows in sand dunes and other beach habitat.Poa macrantha is a perennial grass growing in loose clumps with stems up to 60 centimeters in maximum height.