Eriocoma thurberiana

Eriocoma thurberiana is a species of grass known by the common name Thurber's needlegrass. It is native to the western United States, where it occurs from Washington to California and east to Montana and Wyoming. This is a tufted perennial grass with erect stems reaching about 75 centimeters in maximum height. The tuft of stems may be circular in shape as the stems in the center die first. The inflorescence is a narrow panicle up to 15 centimeters long by 2.5 wide. The spikelet has a sharp tip and a long, hairy awn which may exceed 5 to 10 centimeters in length. This is a common grass in many plant communities in the Pacific Northwest and Great Basin in the US. It is a dominant species in many areas, and may grow alongside other common grasses such as bluebunch wheatgrass (Pseudoroegneria spicata), Idaho fescue (Festuca idahoensis), and needle-and-thread grass (Hesperostipa comata). It can be found in sagebrush and pinyon-juniper woodland. It is a climax species, occurring in undisturb......read more on Wikipedia.