Squirreltail
Elymus longifolius (Sitanion hystrix)

Family: Grass (Poaceae)
AKA: Longleaf Squirreltail
Photo taken on: May 30, 2017
Location: Abiquiu, NM
Life Zones: Plains to subalpine
Habitat: Open rocky areas, waste areas

Grows to 2 feet similar in appearance to Foxtail Barley with a stiff, erect stem and bristles up to 3" long, but stiffer and less delicate.

Photo taken on: July 30, 2011
Location: Heron Lake, NM

At maturity the bristles on the seed heads twist and spread wide.