Iowa, zip 52214. New England Aster, Arrow Leaved Aster, Heath Aster, and 2 other white asters - Small White Aster and Panicled Aster? (My book says "The small white asters are numerous, extremely variable, and may intergrade. Many can be recognized with certainty only by technical characters not given here." :-D Goldenrod is pretty much done here, with just a few holdouts left.