Aristida dichotoma var. curtissii A.Gray  
Family: Poaceae
church-mouse three-awn, Curtiss's three-awn
[Aristida basiramea var. curtissii Engelm. ex Vasey, Aristida curtissii (A.Gray) Nash]
Aristida dichotoma var. curtissii image
from USDA Plants website  
Etymology: Aristida: from Latin arista, meaning "awn" or "a beard"
Plants: annual grass
Conservation Status: Native
Aristida dichotoma var. curtissii image
from USDA Plants website  
Aristida dichotoma var. curtissii image
Aristida dichotoma var. curtissii image
Aristida dichotoma var. curtissii image