Trisetum wolfii Wolf's trisetum

Information from USDA Plants Database 

http://plants.usda.gov/java/profile?symbol=trwo3

https://www.google.com/search?q=Trisetum+wolfii+Wolf's+trisetum&hl=en&source=lnms&tbm=isch&sa=X&ei=sxBLUa-pCqLliAK-_YCwCQ&sqi=2&ved=0CAcQ_AUoAQ&biw=1008&bih=522