Elymus diversiglumis Scribn. & Ball
Family: Poaceae
Minnesota wild-rye,  more...
[Elymus canadensis var. interruptus L.,  more]
Elymus diversiglumis image
from USDA Plants website  
Etymology: Elymus: Greek name for a type of grain, meaning generally to roll up," referring to lemma and palea which are tightly rolled about the seed
Plants: perennial grass
Conservation Status: Native