Calamovilfa longifolia (Hook.) Scribn.  
Family: Poaceae
prairie sand-reed
Calamovilfa longifolia image
Hugh H. Iltis  
Calamovilfa longifolia image
Emmet J. Judziewicz  
Calamovilfa longifolia image
Calamovilfa longifolia image
Calamovilfa longifolia image