Virgulus campestris (White Prairie Aster)

This plant was a real puzzle. Synonyms include: Symphyotricum, Aster ptarmicoides, Doellingeria ptarmicoides, Inula alba, Solidago asteroides, Solidago ptarmicoides, and Unamia alba --- and so on. Finally, one has to make a decision. So, until something else more definitive shows up, Virgulus it is. It does have glandular-pubescent phyllaries.