Eurybia conspicua western showy aster

Eurybia conspicua eastern showy aster

Information from USDA Plants Database
 
http://plants.usda.gov/java/profile?symbol=euco36

https://www.google.com/search?q=Eurybia+conspicua+western+showy+aster&hl=en&source=lnms&tbm=isch&sa=X&ei=AFZKUZnJNIe_igKyy4GgDQ&sqi=2&ved=0CAcQ_AUoAQ&biw=966&bih=522