Agrostis thurberiana is a species of grass that is native to northwest and southwest United States and Canada (the Aleutian Islands, Alaska, British Columbia, Colorado, Oregon, Washington and California).

[1] The species is perennial with short rhizomes and 15–30 centimetres (5.9–11.8 in) long culms.

It is also lacerate, truncate and obtuse with the leaf blades being 0.5–3 millimetres (0.020–0.118 in) wide.

[2] It is native to the west of North America, from the Aleutian Islands to California.

In California, it is found growing along with lodgepole pine and red, and subalpine firs on various wetlands.