Trisetum canescens tall trisetum

Information from USDA Plants Database 

http://plants.usda.gov/java/profile?symbol=trca21

https://www.google.com/search?q=Trisetum+canescens+tall+trisetum&hl=en&source=lnms&tbm=isch&sa=X&ei=aRBLUdntMsXriwLT5YCIDg&sqi=2&ved=0CAcQ_AUoAQ&biw=1008&bih=522